docs/docker-compose.md at a53faa18d562e1858f82f49c6b7fbddd60c4d6df

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title	description	keywords	toc_max
Docker Compose release notes	Release notes for Docker Compose	release notes, compose	2

1.23.1 (2018-11-01)

Bug Fixes

Fixed a bug where working with containers created with a version of Compose earlier than 1.23.0 would cause unexpected crashes.
Fixed an issue where the behavior of the --project-directory flag would vary depending on which subcommand was used.

1.23.0 (2018-10-30)

Important note

The default naming scheme for containers created by Compose in this version has changed from <project>_<service>_<index> to <project>_<service>_<index>_<slug>, where <slug> is a randomly-generated hexadecimal string. Please make sure to update scripts relying on the old naming scheme accordingly before upgrading.

Features

Logs for containers restarting after a crash will now appear in the output of the up and logs commands.
Added --hash option to the docker-compose config command, allowing users to print a hash string for each service's configuration to facilitate rolling updates.
Added --parallel flag to the docker-compose build command, allowing Compose to build up to 5 images simultaneously.
Output for the pull command now reports status / progress even when pulling multiple images in parallel.
For images with multiple names, Compose will now attempt to match the one present in the service configuration in the output of the images command.

Bug Fixes

Fixed an issue where parallel run commands for the same service would fail due to name collisions.
Fixed an issue where paths longer than 260 characters on Windows clients would cause docker-compose build to fail.
Fixed a bug where attempting to mount /var/run/docker.sock with Docker Desktop for Windows would result in failure.
The --project-directory option is now used by Compose to determine where to look for the .env file.
docker-compose build no longer fails when attempting to pull an image with credentials provided by the gcloud credential helper.
Fixed the --exit-code-from option in docker-compose up to always report the actual exit code even when the watched container is not the cause of the exit.
Fixed an issue that would prevent recreating a service in some cases where a volume would be mapped to the same mountpoint as a volume declared within the Dockerfile for that image.
Fixed a bug that caused hash configuration with multiple networks to be inconsistent, causing some services to be unnecessarily restarted.
Fixed a bug that would cause failures with variable substitution for services with a name containing one or more dot characters.
Fixed a pipe handling issue when using the containerized version of Compose.
Fixed a bug causing external: false entries in the Compose file to be printed as external: true in the output of docker-compose config.
Fixed a bug where issuing a docker-compose pull command on services without a defined image key would cause Compose to crash.
Volumes and binds are now mounted in the order they are declared in the service definition.

Miscellaneous

The zsh completion script has been updated with new options, and no longer suggests container names where service names are expected.

1.22.0 (2018-07-17)

New features

Compose format version 3.7

Introduced version 3.7 of the docker-compose.yml specification. This version requires Docker Engine 18.06.0 or above.
Added support for rollback_config in the deploy configuration
Added support for the init parameter in service configurations
Added support for extension fields in service, network, volume, secret, and config configurations

Compose format version 2.4

Added support for extension fields in service, network, and volume configurations

Bug Fixes

Fixed a bug that prevented deployment with some Compose files when DOCKER_DEFAULT_PLATFORM was set
Compose will no longer try to create containers or volumes with invalid starting characters
Fixed several bugs that prevented Compose commands from working properly with containers created with an older version of Compose
Fixed an issue with the output of docker-compose config with the --compatibility-mode flag enabled when the source file contains attachable networks
Fixed a bug that prevented the gcloud credential store from working properly when used with the Compose binary on UNIX
Fixed a bug that caused connection errors when trying to operate over a non-HTTPS TCP connection on Windows
Fixed a bug that caused builds to fail on Windows if the Dockerfile was located in a subdirectory of the build context
Fixed an issue that prevented proper parsing of UTF-8 BOM encoded Compose files on Windows
Fixed an issue with handling of the double-wildcard (**) pattern in .dockerignore files when using docker-compose build
Fixed a bug that caused auth values in legacy .dockercfg files to be ignored
docker-compose build will no longer attempt to create image names starting with an invalid character

1.21.2 (2018-05-03)

Bug Fixes

Fixed a bug where the ip_range attribute in IPAM configs was prevented from passing validation

1.21.1 (2018-04-27)

Bug Fixes

In 1.21.0, we introduced a change to how project names are sanitized for internal use in resource names. This caused issues when manipulating an existing, deployed application whose name had changed as a result. This release properly detects resources using "legacy" naming conventions.
Fixed an issue where specifying an in-context Dockerfile using an absolute path would fail despite being valid.
Fixed a bug where IPAM option changes were incorrectly detected, preventing redeployments.
Validation of v2 files now properly checks the structure of IPAM configs.
Improved support for credentials stores on Windows to include binaries using extensions other than .exe. The list of valid extensions is determined by the contents of the PATHEXT environment variable.
Fixed a bug where Compose would generate invalid binds containing duplicate elements with some v3.2 files, triggering errors at the Engine level during deployment.

1.21.0 (2018-04-11)

New features

Compose file version 2.4

Introduced version 2.4 of the docker-compose.yml specification. This version requires Docker Engine 17.12.0 or above.
Added support for the platform parameter in service definitions. If supplied, the parameter is also used when performing build for the service.

Compose file version 2.2 and up

Added support for the cpu_rt_period and cpu_rt_runtime parameters in service definitions (2.x only).

Compose file version 2.1 and up

Added support for the cpu_period parameter in service definitions (2.x only).
Added support for the isolation parameter in service build configurations. Additionally, the isolation parameter in service definitions is used for builds as well if no build.isolation parameter is defined. (2.x only)

All formats

Added support for the --workdir flag in docker-compose exec.
Added support for the --compress flag in docker-compose build.
docker-compose pull is now performed in parallel by default. You can opt out using the --no-parallel flag. The --parallel flag is now deprecated and will be removed in a future version.
Dashes and underscores in project names are no longer stripped out.
docker-compose build now supports the use of Dockerfile from outside the build context.

Bug Fixes

Compose now checks that the volume's configuration matches the remote volume, and errors out if a mismatch is detected.
Fixed a bug that caused Compose to raise unexpected errors when attempting to create several one-off containers in parallel.
Fixed a bug with argument parsing when using docker-machine config to generate TLS flags for exec and run commands.
Fixed a bug where variable substitution with an empty default value (e.g. ${VAR:-}) would print an incorrect warning.
Improved resilience when encoding of the Compose file doesn't match the system's. Users are encouraged to use UTF-8 when possible.
Fixed a bug where external overlay networks in Swarm would be incorrectly recognized as inexistent by Compose, interrupting otherwise valid operations.

1.20.0 (2018-03-20)

New features

Compose file version 3.6

Introduced version 3.6 of the docker-compose.yml specification. This version must be used with Docker Engine 18.02.0 or above.
Added support for the tmpfs.size property in volume mappings

Compose file version 3.2 and up

The --build-arg option can now be used without specifying a service in docker-compose build

Compose file version 2.3

Added support for device_cgroup_rules in service definitions
Added support for the tmpfs.size property in long-form volume mappings
The --build-arg option can now be used without specifying a service in docker-compose build

All formats

Added a --log-level option to the top-level docker-compose command. Accepted values are debug, info, warning, error, critical. Default log level is info
docker-compose run now allows users to unset the container's entrypoint
Proxy configuration found in the ~/.docker/config.json file now populates environment and build args for containers created by Compose
Added the --use-aliases flag to docker-compose run, indicating that network aliases declared in the service's config should be used for the running container
Added the --include-deps flag to docker-compose pull
docker-compose run now kills and removes the running container upon receiving SIGHUP
docker-compose ps now shows the containers' health status if available
Added the long-form --detach option to the exec, run and up commands

Bug Fixes

Fixed .dockerignore handling, notably with regard to absolute paths and last-line precedence rules
Fixed an issue where Compose would make costly DNS lookups when connecting to the Engine when using Docker For Mac
Fixed a bug introduced in 1.19.0 which caused the default certificate path to not be honored by Compose
Fixed a bug where Compose would incorrectly check whether a symlink's destination was accessible when part of a build context
Fixed a bug where .dockerignore files containing lines of whitespace caused Compose to error out on Windows
Fixed a bug where --tls* and --host options wouldn't be properly honored for interactive run and exec commands
A seccomp:<filepath> entry in the security_opt config now correctly sends the contents of the file to the engine
ANSI output for up and down operations should no longer affect the wrong lines
Improved support for non-unicode locales
Fixed a crash occurring on Windows when the user's home directory name contained non-ASCII characters
Fixed a bug occurring during builds caused by files with a negative mtime values in the build context
Fixed an encoding bug when streaming build progress

1.19.0 (2018-02-07)

Breaking changes

On UNIX platforms, interactive run and exec commands now require the docker CLI to be installed on the client by default. To revert to the previous behavior, users may set the COMPOSE_INTERACTIVE_NO_CLI environment variable.

New features

Compose file version 3.x

The output of the config command should now merge deploy options from several Compose files in a more accurate manner

Compose file version 2.3

Added support for the runtime option in service definitions

Compose file version 2.1 and up

Added support for the ${VAR:?err} and ${VAR?err} variable interpolation syntax to indicate mandatory variables

Compose file version 2.x

Added priority key to service network mappings, allowing the user to define in which order the specified service will connect to each network

All formats

Added --renew-anon-volumes (shorthand -V) to the up command, preventing Compose from recovering volume data from previous containers for anonymous volumes
Added limit for number of simultaneous parallel operations, which should prevent accidental resource exhaustion of the server. Default is 64 and can be configured using the COMPOSE_PARALLEL_LIMIT environment variable
Added --always-recreate-deps flag to the up command to force recreating dependent services along with the dependency owner
Added COMPOSE_IGNORE_ORPHANS environment variable to forgo orphan container detection and suppress warnings
Added COMPOSE_FORCE_WINDOWS_HOST environment variable to force Compose to parse volume definitions as if the Docker host was a Windows system, even if Compose itself is currently running on UNIX
Bash completion should now be able to better differentiate between running, stopped and paused services

Bug Fixes

Fixed a bug that would cause the build command to report a connection error when the build context contained unreadable files or FIFO objects. These file types will now be handled appropriately
Fixed various issues around interactive run/exec sessions.
Fixed a bug where setting TLS options with environment and CLI flags simultaneously would result in part of the configuration being ignored
Fixed a bug where the DOCKER_TLS_VERIFY environment variable was being ignored by Compose
Fixed a bug where the -d and --timeout flags in up were erroneously marked as incompatible
Fixed a bug where the recreation of a service would break if the image associated with the previous container had been removed
Fixed a bug where updating a mount's target would break Compose when trying to recreate the associated service
Fixed a bug where tmpfs volumes declared using the extended syntax in Compose files using version 3.2 would be erroneously created as anonymous volumes instead
Fixed a bug where type conversion errors would print a stacktrace instead of exiting gracefully
Fixed some errors related to unicode handling
Dependent services no longer get recreated along with the dependency owner if their configuration hasn't changed
Added better validation of labels fields in Compose files. Label values containing scalar types (number, boolean) now get automatically converted to strings

1.18.0 (2017-12-18)

New features

Compose file version 3.5

Introduced version 3.5 of the docker-compose.yml specification. This version requires Docker Engine 17.06.0 or above
Added support for the shm_size parameter in build configurations
Added support for the isolation parameter in service definitions
Added support for custom names for network, secret and config definitions

Compose file version 2.3

Added support for extra_hosts in build configuration
Added support for the long syntax for volume entries, as previously introduced in the 3.2 format. Using this syntax will create mounts instead of volumes.

Compose file version 2.1 and up

Added support for the oom_kill_disable parameter in service definitions (2.x only)
Added support for custom names for network definitions (2.x only)

All formats

Values interpolated from the environment will now be converted to the proper type when used in non-string fields.
Added support for --label in docker-compose run
Added support for --timeout in docker-compose down
Added support for --memory in docker-compose build
Setting stop_grace_period in service definitions now also sets the container's stop_timeout

Bug Fixes

Fixed an issue where Compose was still handling service hostname according to legacy engine behavior, causing hostnames containing dots to be cut up
Fixed a bug where the X-Y:Z syntax for ports was considered invalid by Compose
Fixed an issue with CLI logging causing duplicate messages and inelegant output to occur
Fixed an issue that caused stop_grace_period to be ignored when using multiple Compose files
Fixed a bug that caused docker-compose images to crash when using untagged images
Fixed a bug where the valid ${VAR:-} syntax would cause Compose to error out
Fixed a bug where env_file entries using an UTF-8 BOM were being read incorrectly
Fixed a bug where missing secret files would generate an empty directory in their place
Fixed character encoding issues in the CLI's error handlers
Added validation for the test field in healthchecks
Added validation for the subnet field in IPAM configurations
Added validation for volumes properties when using the long syntax in service definitions
The CLI now explicit prevents using -d and --timeout together in docker-compose up

1.17.0 (2017-11-01)

New features

Compose file version 3.4

Introduced version 3.4 of the docker-compose.yml specification. This version requires to be used with Docker Engine 17.06.0 or above.
Added support for cache_from, network and target options in build configurations
Added support for the order parameter in the update_config section
Added support for setting a custom name in volume definitions using the name parameter

Compose file version 2.3

Added support for shm_size option in build configuration

Compose file version 2.x

Added support for extension fields (x-*). Also available for v3.4 files

All formats

Added new --no-start to the up command, allowing users to create all resources (networks, volumes, containers) without starting services. The create command is deprecated in favor of this new option

Bug Fixes

Fixed a bug where extra_hosts values would be overridden by extension files instead of merging together
Fixed a bug where the validation for v3.2 files would prevent using the consistency field in service volume definitions
Fixed a bug that would cause a crash when configuration fields expecting unique items would contain duplicates
Fixed a bug where mount overrides with a different mode would create a duplicate entry instead of overriding the original entry
Fixed a bug where build labels declared as a list wouldn't be properly parsed
Fixed a bug where the output of docker-compose config would be invalid for some versions if the file contained custom-named external volumes
Improved error handling when issuing a build command on Windows using an unsupported file version
Fixed an issue where networks with identical names would sometimes be created when running up commands concurrently.

1.16.0 (2017-08-31)

New features

Compose file version 2.3

Introduced version 2.3 of the docker-compose.yml specification. This version requires to be used with Docker Engine 17.06.0 or above.
Added support for the target parameter in build configurations
Added support for the start_period parameter in healthcheck configurations

Compose file version 2.x

Added support for the blkio_config parameter in service definitions
Added support for setting a custom name in volume definitions using the name parameter (not available for version 2.0)

All formats

Added new CLI flag --no-ansi to suppress ANSI control characters in output

Bug Fixes

Fixed a bug where nested extends instructions weren't resolved properly, causing "file not found" errors
Fixed several issues with .dockerignore parsing
Fixed issues where logs of TTY-enabled services were being printed incorrectly and causing MemoryError exceptions
Fixed a bug where printing application logs would sometimes be interrupted by a UnicodeEncodeError exception on Python 3
The $ character in the output of docker-compose config is now properly escaped
Fixed a bug where running docker-compose top would sometimes fail with an uncaught exception
Fixed a bug where docker-compose pull with the --parallel flag would return a 0 exit code when failing
Fixed an issue where keys in deploy.resources were not being validated
Fixed an issue where the logging options in the output of docker-compose config would be set to null, an invalid value
Fixed the output of the docker-compose images command when an image would come from a private repository using an explicit port number
Fixed the output of docker-compose config when a port definition used 0 as the value for the published port

1.15.0 (2017-07-26)

New features

Compose file version 2.2

Added support for the network parameter in build configurations.

Compose file version 2.1 and up

The pid option in a service's definition now supports a service:<name> value.
Added support for the storage_opt parameter in in service definitions. This option is not available for the v3 format

All formats

Added --quiet flag to docker-compose pull, suppressing progress output
Some improvements to CLI output

Bug Fixes

Volumes specified through the --volume flag of docker-compose run now complement volumes declared in the service's definition instead of replacing them
Fixed a bug where using multiple Compose files would unset the scale value defined inside the Compose file.
Fixed an issue where the credHelpers entries in the config.json file were not being honored by Compose
Fixed a bug where using multiple Compose files with port declarations would cause failures in Python 3 environments
Fixed a bug where some proxy-related options present in the user's environment would prevent Compose from running
Fixed an issue where the output of docker-compose config would be invalid if the original file used Y or N values
Fixed an issue preventing up operations on a previously created stack on Windows Engine.

1.14.0 (2017-06-19)

New features

Compose file version 3.3

Introduced version 3.3 of the docker-compose.yml specification. This version requires to be used with Docker Engine 17.06.0 or above. Note: the credential_spec and configs keys only apply to Swarm services and will be ignored by Compose

Compose file version 2.2

Added the following parameters in service definitions: cpu_count, cpu_percent, cpus

Compose file version 2.1

Added support for build labels. This feature is also available in the 2.2 and 3.3 formats.

All formats

Added shorthand -u for --user flag in docker-compose exec
Differences in labels between the Compose file and remote network will now print a warning instead of preventing redeployment.

Bug Fixes

Fixed a bug where service's dependencies were being rescaled to their default scale when running a docker-compose run command
Fixed a bug where docker-compose rm with the --stop flag was not behaving properly when provided with a list of services to remove
Fixed a bug where cache_from in the build section would be ignored when using more than one Compose file.
Fixed a bug that prevented binding the same port to different IPs when using more than one Compose file.
Fixed a bug where override files would not be picked up by Compose if they had the .yaml extension
Fixed a bug on Windows Engine where networks would be incorrectly flagged for recreation
Fixed a bug where services declaring ports would cause crashes on some versions of Python 3
Fixed a bug where the output of docker-compose config would sometimes contain invalid port definitions

1.13.0 (2017-05-02)

Breaking changes

docker-compose up now resets a service's scaling to its default value. You can use the newly introduced --scale option to specify a custom scale value

New features

Compose file version 2.2

Introduced version 2.2 of the docker-compose.yml specification. This version requires to be used with Docker Engine 1.13.0 or above
Added support for init in service definitions.
Added support for scale in service definitions. The configuration's value can be overridden using the --scale flag in docker-compose up. The scale command is disabled for this file format

Compose file version 2.x

Added support for options in the ipam section of network definitions

Bug Fixes

Fixed a bug where paths provided to compose via the -f option were not being resolved properly
Fixed a bug where the ext_ip::target_port notation in the ports section was incorrectly marked as invalid
Fixed an issue where the exec command would sometimes not return control to the terminal when using the -d flag
Fixed a bug where secrets were missing from the output of the config command for v3.2 files
Fixed an issue where docker-compose would hang if no internet connection was available
Fixed an issue where paths containing unicode characters passed via the -f flag were causing Compose to crash
Fixed an issue where the output of docker-compose config would be invalid if the Compose file contained external secrets
Fixed a bug where using --exit-code-from with up would fail if Compose was installed in a Python 3 environment
Fixed a bug where recreating containers using a combination of tmpfs and volumes would result in an invalid config state

1.12.0 (2017-04-04)

New features

Compose file version 3.2

Introduced version 3.2 of the docker-compose.yml specification
Added support for cache_from in the build section of services
Added support for the new expanded ports syntax in service definitions
Added support for the new expanded volumes syntax in service definitions

Compose file version 2.1

Added support for pids_limit in service definitions

Compose file version 2.0 and up

Added --volumes option to docker-compose config that lists named volumes declared for that project
Added support for mem_reservation in service definitions (2.x only)
Added support for dns_opt in service definitions (2.x only)

All formats

Added a new docker-compose images command that lists images used by the current project's containers
Added a --stop (shorthand -s) option to docker-compose rm that stops the running containers before removing them
Added a --resolve-image-digests option to docker-compose config that pins the image version for each service to a permanent digest
Added a --exit-code-from SERVICE option to docker-compose up. When used, docker-compose will exit on any container's exit with the code corresponding to the specified service's exit code
Added a --parallel option to docker-compose pull that enables images for multiple services to be pulled simultaneously
Added a --build-arg option to docker-compose build
Added a --volume <volume_mapping> (shorthand -v) option to docker-compose run to declare runtime volumes to be mounted
Added a --project-directory PATH option to docker-compose that will affect path resolution for the project
When using --abort-on-container-exit in docker-compose up, the exit code for the container that caused the abort will be the exit code of the docker-compose up command
Users can now configure which path separator character they want to use to separate the COMPOSE_FILE environment value using the COMPOSE_PATH_SEPARATOR environment variable
Added support for port range to single port in port mappings, such as 8000-8010:80.

Bug Fixes

docker-compose run --rm now removes anonymous volumes after execution, matching the behavior of docker run --rm.
Fixed a bug where override files containing port lists would cause a TypeError to be raised
Fixed a bug where the deploy key would be missing from the output of docker-compose config
Fixed a bug where scaling services up or down would sometimes re-use obsolete containers
Fixed a bug where the output of docker-compose config would be invalid if the project declared anonymous volumes
Variable interpolation now properly occurs in the secrets section of the Compose file
The secrets section now properly appears in the output of docker-compose config
Fixed a bug where changes to some networks properties would not be detected against previously created networks
Fixed a bug where docker-compose would crash when trying to write into a closed pipe
Fixed an issue where Compose would not pick up on the value of COMPOSE_TLS_VERSION when used in combination with command-line TLS flags

1.11.2 (2017-02-17)

Bug Fixes

Fixed a bug that was preventing secrets configuration from being loaded properly
Fixed a bug where the docker-compose config command would fail if the config file contained secrets definitions
Fixed an issue where Compose on some linux distributions would pick up and load an outdated version of the requests library
Fixed an issue where socket-type files inside a build folder would cause docker-compose to crash when trying to build that service
Fixed an issue where recursive wildcard patterns ** were not being recognized in .dockerignore files.

1.11.1 (2017-02-09)

Bug Fixes

Fixed a bug where the 3.1 file format was not being recognized as valid by the Compose parser

1.11.0 (2017-02-08)

New Features

Compose file version 3.1

Introduced version 3.1 of the docker-compose.yml specification. This version requires Docker Engine 1.13.0 or above. It introduces support for secrets. See the documentation for more information

Compose file version 2.0 and up

Introduced the docker-compose top command that displays processes running for the different services managed by Compose.

Bug Fixes

Fixed a bug where extending a service defining a healthcheck dictionary would cause docker-compose to error out.
Fixed an issue where the pid entry in a service definition was being ignored when using multiple Compose files.

1.10.1 (2017-02-01)

Bug Fixes

Fixed an issue where presence of older versions of the docker-py package would cause unexpected crashes while running Compose
Fixed an issue where healthcheck dependencies would be lost when using multiple compose files for a project
Fixed a few issues that made the output of the config command invalid
Fixed an issue where adding volume labels to v3 Compose files would result in an error
Fixed an issue on Windows where build context paths containing unicode characters were being improperly encoded
Fixed a bug where Compose would occasionally crash while streaming logs when containers would stop or restart

1.10.0 (2017-01-18)

New Features

Compose file version 3.0

Introduced version 3.0 of the docker-compose.yml specification. This version requires to be used with Docker Engine 1.13 or above and is specifically designed to work with the docker stack commands.

Compose file version 2.1 and up

Healthcheck configuration can now be done in the service definition using the healthcheck parameter
Containers dependencies can now be set up to wait on positive healthchecks when declared using depends_on. See the documentation for the updated syntax. Note: This feature will not be ported to version 3 Compose files.
Added support for the sysctls parameter in service definitions
Added support for the userns_mode parameter in service definitions
Compose now adds identifying labels to networks and volumes it creates

Compose file version 2.0 and up

Added support for the stop_grace_period option in service definitions.

Bug Fixes

Colored output now works properly on Windows.
Fixed a bug where docker-compose run would fail to set up link aliases in interactive mode on Windows.
Networks created by Compose are now always made attachable (Compose files v2.1 and up).
Fixed a bug where falsy values of COMPOSE_CONVERT_WINDOWS_PATHS (0, false, empty value) were being interpreted as true.
Fixed a bug where forward slashes in some .dockerignore patterns weren't being parsed correctly on Windows

1.9.0 (2016-11-16)

Breaking changes

When using Compose with Docker Toolbox/Machine on Windows, volume paths are no longer converted from C:\Users to /c/Users-style by default. To re-enable this conversion so that your volumes keep working, set the environment variable COMPOSE_CONVERT_WINDOWS_PATHS=1. Users of Docker for Windows are not affected and do not need to set the variable.

New Features

Interactive mode for docker-compose run and docker-compose exec is now supported on Windows platforms. The docker binary is required to be present on the system for this feature to work.
Introduced version 2.1 of the docker-compose.yml specification. This version requires to be used with Docker Engine 1.12 or above.
- Added support for setting volume labels and network labels in docker-compose.yml.
- Added support for the isolation parameter in service definitions.
- Added support for link-local IPs in the service networks definitions.
- Added support for shell-style inline defaults in variable interpolation. The supported forms are ${FOO-default} (fall back if FOO is unset) and ${FOO:-default} (fall back if FOO is unset or empty).
Added support for the group_add and oom_score_adj parameters in service definitions.
Added support for the internal and enable_ipv6 parameters in network definitions.
Compose now defaults to using the npipe protocol on Windows.
Overriding a logging configuration will now properly merge the options mappings if the driver values do not conflict.

Bug Fixes

Fixed several bugs related to npipe protocol support on Windows.
Fixed an issue with Windows paths being incorrectly converted when using Docker on Windows Server.
Fixed a bug where an empty restart value would sometimes result in an exception being raised.
Fixed an issue where service logs containing unicode characters would sometimes cause an error to occur.
Fixed a bug where unicode values in environment variables would sometimes raise a unicode exception when retrieved.
Fixed an issue where Compose would incorrectly detect a configuration mismatch for overlay networks.

1.8.1 (2016-09-22)

Bug Fixes

Fixed a bug where users using a credentials store were not able to access their private images.
Fixed a bug where users using identity tokens to authenticate were not able to access their private images.
Fixed a bug where an HttpHeaders entry in the docker configuration file would cause Compose to crash when trying to build an image.
Fixed a few bugs related to the handling of Windows paths in volume binding declarations.
Fixed a bug where Compose would sometimes crash while trying to read a streaming response from the engine.
Fixed an issue where Compose would crash when encountering an API error while streaming container logs.
Fixed an issue where Compose would erroneously try to output logs from drivers not handled by the Engine's API.
Fixed a bug where options from the docker-machine config command would not be properly interpreted by Compose.
Fixed a bug where the connection to the Docker Engine would sometimes fail when running a large number of services simultaneously.
Fixed an issue where Compose would sometimes print a misleading suggestion message when running the bundle command.
Fixed a bug where connection errors would not be handled properly by Compose during the project initialization phase.
Fixed a bug where a misleading error would appear when encountering a connection timeout.

1.8.0 (2016-06-14)

Breaking Changes

As announced in 1.7.0, docker-compose rm now removes containers created by docker-compose run by default.
Setting entrypoint on a service now empties out any default command that was set on the image (i.e. any CMD instruction in the Dockerfile used to build it). This makes it consistent with the --entrypoint flag to docker run.

New Features

Added docker-compose bundle, a command that builds a bundle file to be consumed by the new Docker Stack commands in Docker 1.12.
Added docker-compose push, a command that pushes service images to a registry.
Compose now supports specifying a custom TLS version for interaction with the Docker Engine using the COMPOSE_TLS_VERSION environment variable.

Bug Fixes

Fixed a bug where Compose would erroneously try to read .env at the project's root when it is a directory.
docker-compose run -e VAR now passes VAR through from the shell to the container, as with docker run -e VAR.
Improved config merging when multiple compose files are involved for several service sub-keys.
Fixed a bug where volume mappings containing Windows drives would sometimes be parsed incorrectly.
Fixed a bug in Windows environment where volume mappings of the host's root directory would be parsed incorrectly.
Fixed a bug where docker-compose config would output an invalid Compose file if external networks were specified.
Fixed an issue where unset buildargs would be assigned a string containing 'None' instead of the expected empty value.
Fixed a bug where yes/no prompts on Windows would not show before receiving input.
Fixed a bug where trying to docker-compose exec on Windows without the -d option would exit with a stacktrace. This will still fail for the time being, but should do so gracefully.
Fixed a bug where errors during docker-compose up would show an unrelated stacktrace at the end of the process.
docker-compose create and docker-compose start show more descriptive error messages when something goes wrong.

1.7.1 (2016-05-04)

Bug Fixes

Fixed a bug where the output of docker-compose config for v1 files would be an invalid configuration file.
Fixed a bug where docker-compose config would not check the validity of links.
Fixed an issue where docker-compose help would not output a list of available commands and generic options as expected.
Fixed an issue where filtering by service when using docker-compose logs would not apply for newly created services.
Fixed a bug where unchanged services would sometimes be recreated in in the up phase when using Compose with Python 3.
Fixed an issue where API errors encountered during the up phase would not be recognized as a failure state by Compose.
Fixed a bug where Compose would raise a NameError because of an undefined exception name on non-Windows platforms.
Fixed a bug where the wrong version of docker-py would sometimes be installed alongside Compose.
Fixed a bug where the host value output by docker-machine config default would not be recognized as valid options by the docker-compose command line.
Fixed an issue where Compose would sometimes exit unexpectedly while reading events broadcasted by a Swarm cluster.
Corrected a statement in the docs about the location of the .env file, which is indeed read from the current directory, instead of in the same location as the Compose file.

1.7.0 (2016-04-13)

Breaking Changes

docker-compose logs no longer follows log output by default. It now matches the behaviour of docker logs and exits after the current logs are printed. Use -f to get the old default behaviour.
Booleans are no longer allows as values for mappings in the Compose file (for keys environment, labels and extra_hosts). Previously this was a warning. Boolean values should be quoted so they become string values.

New Features

Compose now looks for a .env file in the directory where it's run and reads any environment variables defined inside, if they're not already set in the shell environment. This lets you easily set defaults for variables used in the Compose file, or for any of the COMPOSE_* or DOCKER_* variables.
Added a --remove-orphans flag to both docker-compose up and docker-compose down to remove containers for services that were removed from the Compose file.
Added a --all flag to docker-compose rm to include containers created by docker-compose run. This will become the default behavior in the next version of Compose.
Added support for all the same TLS configuration flags used by the docker client: --tls, --tlscert, --tlskey, etc.
Compose files now support the tmpfs and shm_size options.
Added the --workdir flag to docker-compose run
docker-compose logs now shows logs for new containers that are created after it starts.
The COMPOSE_FILE environment variable can now contain multiple files, separated by the host system's standard path separator (: on Mac/Linux, ; on Windows).
You can now specify a static IP address when connecting a service to a network with the ipv4_address and ipv6_address options.
Added --follow, --timestamp, and --tail flags to the docker-compose logs command.
docker-compose up, and docker-compose start will now start containers in parallel where possible.
docker-compose stop now stops containers in reverse dependency order instead of all at once.
Added the --build flag to docker-compose up to force it to build a new image. It now shows a warning if an image is automatically built when the flag is not used.
Added the docker-compose exec command for executing a process in a running container.

Bug Fixes

docker-compose down now removes containers created by docker-compose run.
A more appropriate error is shown when a timeout is hit during up when using a tty.
Fixed a bug in docker-compose down where it would abort if some resources had already been removed.
Fixed a bug where changes to network aliases would not trigger a service to be recreated.
Fix a bug where a log message was printed about creating a new volume when it already existed.
Fixed a bug where interrupting up would not always shut down containers.
Fixed a bug where log_opt and log_driver were not properly carried over when extending services in the v1 Compose file format.
Fixed a bug where empty values for build args would cause file validation to fail.

1.6.2 (2016-02-23)

Fixed a bug where connecting to a TLS-enabled Docker Engine would fail with a certificate verification error.

1.6.1 (2016-02-23)

Bug Fixes

Fixed a bug where recreating a container multiple times would cause the new container to be started without the previous volumes.
Fixed a bug where Compose would set the value of unset environment variables to an empty string, instead of a key without a value.
Provide a better error message when Compose requires a more recent version of the Docker API.
Add a missing config field network.aliases which allows setting a network scoped alias for a service.
Fixed a bug where run would not start services listed in depends_on.
Fixed a bug where networks and network_mode where not merged when using extends or multiple Compose files.
Fixed a bug with service aliases where the short container id alias was only contained 10 characters, instead of the 12 characters used in previous versions.
Added a missing log message when creating a new named volume.
Fixed a bug where build.args was not merged when using extends or multiple Compose files.
Fixed some bugs with config validation when null values or incorrect types were used instead of a mapping.
Fixed a bug where a build section without a context would show a stack trace instead of a helpful validation message.
Improved compatibility with swarm by only setting a container affinity to the previous instance of a services' container when the service uses an anonymous container volume. Previously the affinity was always set on all containers.
Fixed the validation of some driver_opts would cause an error if a number was used instead of a string.
Some improvements to the run.sh script used by the Compose container install option.
Fixed a bug with up --abort-on-container-exit where Compose would exit, but would not stop other containers.
Corrected the warning message that is printed when a boolean value is used as a value in a mapping.

1.6.0 (2016-01-15)

Major Features:

Compose 1.6 introduces a new format for docker-compose.yml which lets you define networks and volumes in the Compose file as well as services. It also makes a few changes to the structure of some configuration options.

You don't have to use it - your existing Compose files will run on Compose 1.6 exactly as they do today.

Check the upgrade guide for full details: https://docs.docker.com/compose/compose-file#upgrading
Support for networking has exited experimental status and is the recommended way to enable communication between containers.

If you use the new file format, your app will use networking. If you aren't ready yet, just leave your Compose file as it is and it'll continue to work just the same.

By default, you don't have to configure any networks. In fact, using networking with Compose involves even less configuration than using links. Consult the networking guide for how to use it: https://docs.docker.com/compose/networking

The experimental flags --x-networking and --x-network-driver, introduced in Compose 1.5, have been removed.
You can now pass arguments to a build if you're using the new file format:
```
build:
  context: .
  args:
    buildno: 1
```
You can now specify both a build and an image key if you're using the new file format. docker-compose build will build the image and tag it with the name you've specified, while docker-compose pull will attempt to pull it.
There's a new events command for monitoring container events from the application, much like docker events. This is a good primitive for building tools on top of Compose for performing actions when particular things happen, such as containers starting and stopping.
There's a new depends_on option for specifying dependencies between services. This enforces the order of startup, and ensures that when you run docker-compose up SERVICE on a service with dependencies, those are started as well.

New Features:

Added a new command config which validates and prints the Compose configuration after interpolating variables, resolving relative paths, and merging multiple files and extends.
Added a new command create for creating containers without starting them.
Added a new command down to stop and remove all the resources created by up in a single command.
Added support for the cpu_quota configuration option.
Added support for the stop_signal configuration option.
Commands start, restart, pause, and unpause now exit with an error status code if no containers were modified.
Added a new --abort-on-container-exit flag to up which causes up to stop all container and exit once the first container exits.
Removed support for FIG_FILE, FIG_PROJECT_NAME, and no longer reads fig.yml as a default Compose file location.
Removed the migrate-to-labels command.
Removed the --allow-insecure-ssl flag.

Bug Fixes:

Fixed a validation bug that prevented the use of a range of ports in the expose field.
Fixed a validation bug that prevented the use of arrays in the entrypoint field if they contained duplicate entries.
Fixed a bug that caused ulimits to be ignored when used with extends.
Fixed a bug that prevented ipv6 addresses in extra_hosts.
Fixed a bug that caused extends to be ignored when included from multiple Compose files.
Fixed an incorrect warning when a container volume was defined in the Compose file.
Fixed a bug that prevented the force shutdown behaviour of up and logs.
Fixed a bug that caused None to be printed as the network driver name when the default network driver was used.
Fixed a bug where using the string form of dns or dns_search would cause an error.
Fixed a bug where a container would be reported as "Up" when it was in the restarting state.
Fixed a confusing error message when DOCKER_CERT_PATH was not set properly.
Fixed a bug where attaching to a container would fail if it was using a non-standard logging driver (or none at all).

1.5.2 (2015-12-03)

Fixed a bug which broke the use of environment and env_file with extends, and caused environment keys without values to have a None value, instead of a value from the host environment.
Fixed a regression in 1.5.1 that caused a warning about volumes to be raised incorrectly when containers were recreated.
Fixed a bug which prevented building a Dockerfile that used ADD <url>
Fixed a bug with docker-compose restart which prevented it from starting stopped containers.
Fixed handling of SIGTERM and SIGINT to properly stop containers
Add support for using a url as the value of build
Improved the validation of the expose option

1.5.1 (2015-11-12)

Add the --force-rm option to build.
Add the ulimit option for services in the Compose file.
Fixed a bug where up would error with "service needs to be built" if a service changed from using image to using build.
Fixed a bug that would cause incorrect output of parallel operations on some terminals.
Fixed a bug that prevented a container from being recreated when the mode of a volumes_from was changed.
Fixed a regression in 1.5.0 where non-utf-8 unicode characters would cause up or logs to crash.
Fixed a regression in 1.5.0 where Compose would use a success exit status code when a command fails due to an HTTP timeout communicating with the docker daemon.
Fixed a regression in 1.5.0 where name was being accepted as a valid service option which would override the actual name of the service.
When using --x-networking Compose no longer sets the hostname to the container name.
When using --x-networking Compose will only create the default network if at least one container is using the network.
When printings logs during up or logs, flush the output buffer after each line to prevent buffering issues from hiding logs.
Recreate a container if one of its dependencies is being created. Previously a container was only recreated if it's dependencies already existed, but were being recreated as well.
Add a warning when a volume in the Compose file is being ignored and masked by a container volume from a previous container.
Improve the output of pull when run without a tty.
When using multiple Compose files, validate each before attempting to merge them together. Previously invalid files would result in not helpful errors.
Allow dashes in keys in the environment service option.
Improve validation error messages by including the filename as part of the error message.

1.5.0 (2015-11-03)

Breaking changes

With the introduction of variable substitution support in the Compose file, any Compose file that uses an environment variable ($VAR or ${VAR}) in the command: or entrypoint: field will break.

Previously these values were interpolated inside the container, with a value from the container environment. In Compose 1.5.0, the values will be interpolated on the host, with a value from the host environment.

To migrate a Compose file to 1.5.0, escape the variables with an extra $ (ex: $$VAR or $${VAR}). See https://github.com/docker/compose/blob/8cc8e61/docs/compose-file.md#variable-substitution

Major features

Compose is now available for Windows.
Environment variables can be used in the Compose file. See https://github.com/docker/compose/blob/8cc8e61/docs/compose-file.md#variable-substitution
Multiple compose files can be specified, allowing you to override settings in the default Compose file. See https://github.com/docker/compose/blob/8cc8e61/docs/reference/docker-compose.md for more details.
Compose now produces better error messages when a file contains invalid configuration.
up now waits for all services to exit before shutting down, rather than shutting down as soon as one container exits.
Experimental support for the new docker networking system can be enabled with the --x-networking flag. Read more here: https://github.com/docker/docker/blob/8fee1c20/docs/userguide/dockernetworks.md

New features

You can now optionally pass a mode to volumes_from. For example, volumes_from: ["servicename:ro"].
Since Docker now lets you create volumes with names, you can refer to those volumes by name in docker-compose.yml. For example, volumes: ["mydatavolume:/data"] will mount the volume named mydatavolume at the path /data inside the container.

If the first component of an entry in volumes starts with a ., / or ~, it is treated as a path and expansion of relative paths is performed as necessary. Otherwise, it is treated as a volume name and passed straight through to Docker.

Read more on named volumes and volume drivers here: https://github.com/docker/docker/blob/244d9c33/docs/userguide/dockervolumes.md
docker-compose build --pull instructs Compose to pull the base image for each Dockerfile before building.
docker-compose pull --ignore-pull-failures instructs Compose to continue if it fails to pull a single service's image, rather than aborting.
You can now specify an IPC namespace in docker-compose.yml with the ipc option.
Containers created by docker-compose run can now be named with the --name flag.
If you install Compose with pip or use it as a library, it now works with Python 3.
image now supports image digests (in addition to ids and tags). For example, image: "busybox@sha256:38a203e1986cf79639cfb9b2e1d6e773de84002feea2d4eb006b52004ee8502d"

ports now supports ranges of ports. For example,

ports:
  - "3000-3005"
  - "9000-9001:8000-8001"

docker-compose run now supports a -p|--publish parameter, much like docker run -p, for publishing specific ports to the host.
docker-compose pause and docker-compose unpause have been implemented, analogous to docker pause and docker unpause.
When using extends to copy configuration from another service in the same Compose file, you can omit the file option.
Compose can be installed and run as a Docker image. This is an experimental feature.

Bug fixes

All values for the log_driver option which are supported by the Docker daemon are now supported by Compose.
docker-compose build can now be run successfully against a Swarm cluster.

1.4.2 (2015-09-22)

Fixed a regression in the 1.4.1 release that would cause docker-compose up without the -d option to exit immediately.

1.4.1 (2015-09-10)

Bug fixes

Some configuration changes (notably changes to links, volumes_from, and net) were not properly triggering a container recreate as part of docker-compose up.
docker-compose up <service> was showing logs for all services instead of just the specified services.
Containers with custom container names were showing up in logs as service_number instead of their custom container name.
When scaling a service sometimes containers would be recreated even when the configuration had not changed.

1.4.0 (2015-08-04)

By default, docker-compose up now only recreates containers for services whose configuration has changed since they were created. This should result in a dramatic speed-up for many applications.

The experimental --x-smart-recreate flag which introduced this feature in Compose 1.3.0 has been removed, and a --force-recreate flag has been added for when you want to recreate everything.
Several of Compose's commands - scale, stop, kill and rm - now perform actions on multiple containers in parallel, rather than in sequence, which will run much faster on larger applications.
You can now specify a custom name for a service's container with container_name. Because Docker container names must be unique, this means you can't scale the service beyond one container.
You no longer have to specify a file option when using extends - it will default to the current file.
Service names can now contain dots, dashes and underscores.
Compose can now read YAML configuration from standard input, rather than from a file, by specifying - as the filename. This makes it easier to generate configuration dynamically:
```
$ echo 'redis: {"image": "redis"}' | docker-compose --file - up
```
There's a new docker-compose version command which prints extended information about Compose's bundled dependencies.
docker-compose.yml now supports log_opt as well as log_driver, allowing you to pass extra configuration to a service's logging driver.
docker-compose.yml now supports memswap_limit, similar to docker run --memory-swap.
When mounting volumes with the volumes option, you can now pass in any mode supported by the daemon, not just :ro or :rw. For example, SELinux users can pass :z or :Z.
You can now specify a custom volume driver with the volume_driver option in docker-compose.yml, much like docker run --volume-driver.
A bug has been fixed where Compose would fail to pull images from private registries serving plain (unsecured) HTTP. The --allow-insecure-ssl flag, which was previously used to work around this issue, has been deprecated and now has no effect.
A bug has been fixed where docker-compose build would fail if the build depended on a private Hub image or an image from a private registry.
A bug has been fixed where Compose would crash if there were containers which the Docker daemon had not finished removing.
Two bugs have been fixed where Compose would sometimes fail with a "Duplicate bind mount" error, or fail to attach volumes to a container, if there was a volume path specified in docker-compose.yml with a trailing slash.

Thanks @mnowster, @dnephin, @ekristen, @funkyfuture, @jeffk and @lukemarsden!

1.3.3 (2015-07-15)

Regression fixes

When stopping containers gracefully, Compose was setting the timeout to 0, effectively forcing a SIGKILL every time.
Compose would sometimes crash depending on the formatting of container data returned from the Docker API.

1.3.2 (2015-07-14)

Bug fixes

When there were one-off containers created by running docker-compose run on an older version of Compose, docker-compose run would fail with a name collision. Compose now shows an error if you have leftover containers of this type lying around, and tells you how to remove them.
Compose was not reading Docker authentication config files created in the new location, ~/docker/config.json, and authentication against private registries would therefore fail.
When a container had a pseudo-TTY attached, its output in docker-compose up would be truncated.
docker-compose up --x-smart-recreate would sometimes fail when an image tag was updated.
docker-compose up would sometimes create two containers with the same numeric suffix.
docker-compose rm and docker-compose ps would sometimes list services that aren't part of the current project (though no containers were erroneously removed).
Some docker-compose commands would not show an error if invalid service names were passed in.

Thanks @dano, @josephpage, @kevinsimper, @lieryan, @phemmer, @soulrebel and @sschepens!

1.3.1 (2015-06-21)

Bug fixes

docker-compose build would always attempt to pull the base image before building.
docker-compose help migrate-to-labels failed with an error.
If no network mode was specified, Compose would set it to "bridge", rather than allowing the Docker daemon to use its configured default network mode.

1.3.0 (2015-06-18)

Important notes

This release contains breaking changes, and you will need to either remove or migrate your existing containers before running your app - see the upgrading section of the install docs for details.
Compose now requires Docker 1.6.0 or later.

Improvements

Compose now uses container labels, rather than names, to keep track of containers. This makes Compose both faster and easier to integrate with your own tools.
Compose no longer uses "intermediate containers" when recreating containers for a service. This makes docker-compose up less complex and more resilient to failure.

New features

docker-compose up has an experimental new behaviour: it will only recreate containers for services whose configuration has changed in docker-compose.yml. This will eventually become the default, but for now you can take it for a spin:
```
  $ docker-compose up --x-smart-recreate
```
When invoked in a subdirectory of a project, docker-compose will now climb up through parent directories until it finds a docker-compose.yml.

Several new configuration keys have been added to docker-compose.yml:

dockerfile, like docker build --file, lets you specify an alternate Dockerfile to use with build.
labels, like docker run --labels, lets you add custom metadata to containers.
extra_hosts, like docker run --add-host, lets you add entries to a container's /etc/hosts file.
pid: host, like docker run --pid=host, lets you reuse the same PID namespace as the host machine.
cpuset, like docker run --cpuset-cpus, lets you specify which CPUs to allow execution in.
read_only, like docker run --read-only, lets you mount a container's filesystem as read-only.
security_opt, like docker run --security-opt, lets you specify security options.
log_driver, like docker run --log-driver, lets you specify a log driver.

Bug fixes

The output of docker-compose run was sometimes truncated, especially when running under Jenkins.
A service's volumes would sometimes not update after volume configuration was changed in docker-compose.yml.
Authenticating against third-party registries would sometimes fail.
docker-compose run --rm would fail to remove the container if the service had a restart policy in place.
docker-compose scale would refuse to scale a service beyond 1 container if it exposed a specific port number on the host.
Compose would refuse to create multiple volume entries with the same host path.

Thanks @ahromis, @albers, @aleksandr-vin, @antoineco, @ccverak, @chernjie, @dnephin, @edmorley, @fordhurley, @josephpage, @KyleJamesWalker, @lsowen, @mchasal, @noironetworks, @sdake, @sdurrheimer, @sherter, @stephenlawrence, @thaJeztah, @thieman, @turtlemonvh, @twhiteman, @vdemeester, @xuxinkun and @zwily!

1.2.0 (2015-04-16)

docker-compose.yml now supports an extends option, which enables a service to inherit configuration from another service in another configuration file. This is really good for sharing common configuration between apps, or for configuring the same app for different environments. Here's the documentation.
When using Compose with a Swarm cluster, containers that depend on one another will be co-scheduled on the same node. This means that most Compose apps will now work out of the box, as long as they don't use build.
Repeated invocations of docker-compose up when using Compose with a Swarm cluster now work reliably.
Directories passed to build, filenames passed to env_file and volume host paths passed to volumes are now treated as relative to the directory of the configuration file, not the directory that docker-compose is being run in. In the majority of cases, those are the same, but if you use the -f|--file argument to specify a configuration file in another directory, this is a breaking change.
A service can now share another service's network namespace with net: container:<service>.
volumes_from and net: container:<service> entries are taken into account when resolving dependencies, so docker-compose up <service> will correctly start all dependencies of <service>.
docker-compose run now accepts a --user argument to specify a user to run the command as, just like docker run.
The up, stop and restart commands now accept a --timeout (or -t) argument to specify how long to wait when attempting to gracefully stop containers, just like docker stop.
docker-compose rm now accepts -f as a shorthand for --force, just like docker rm.

Thanks, @abesto, @albers, @alunduil, @dnephin, @funkyfuture, @gilclark, @IanVS, @KingsleyKelly, @knutwalker, @thaJeztah and @vmalloc!

1.1.0 (2015-02-25)

Fig has been renamed to Docker Compose, or just Compose for short. This has several implications for you:

The command you type is now docker-compose, not fig.
You should rename your fig.yml to docker-compose.yml.
If you’re installing via PyPI, the package is now docker-compose, so install it with pip install docker-compose.

Besides that, there’s a lot of new stuff in this release:

We’ve made a few small changes to ensure that Compose will work with Swarm, Docker’s new clustering tool (https://github.com/docker/swarm). Eventually you'll be able to point Compose at a Swarm cluster instead of a standalone Docker host and it’ll run your containers on the cluster with no extra work from you. As Swarm is still developing, integration is rough and lots of Compose features don't work yet.
docker-compose run now has a --service-ports flag for exposing ports on the given service. This is useful for running your webapp with an interactive debugger, for example.
You can now link to containers outside your app with the external_links option in docker-compose.yml.
You can now prevent docker-compose up from automatically building images with the --no-build option. This will make fewer API calls and run faster.
If you don’t specify a tag when using the image key, Compose will default to the latest tag, rather than pulling all tags.
docker-compose kill now supports the -s flag, allowing you to specify the exact signal you want to send to a service’s containers.
docker-compose.yml now has an env_file key, analogous to docker run --env-file, letting you specify multiple environment variables in a separate file. This is great if you have a lot of them, or if you want to keep sensitive information out of version control.
docker-compose.yml now supports the dns_search, cap_add, cap_drop, cpu_shares and restart options, analogous to docker run’s --dns-search, --cap-add, --cap-drop, --cpu-shares and --restart options.
Compose now ships with Bash tab completion - see the installation and usage docs at https://github.com/docker/compose/blob/1.1.0/docs/completion.md
A number of bugs have been fixed - see the milestone for details: https://github.com/docker/compose/issues?q=milestone%3A1.1.0+

Thanks @dnephin, @squebe, @jbalonso, @raulcd, @benlangfield, @albers, @ggtools, @bersace, @dtenenba, @petercv, @drewkett, @TFenby, @paulRbr, @Aigeruth and @salehe!

1.0.1 (2014-11-04)

Added an --allow-insecure-ssl option to allow fig up, fig run and fig pull to pull from insecure registries.
Fixed fig run not showing output in Jenkins.
Fixed a bug where Fig couldn't build Dockerfiles with ADD statements pointing at URLs.

1.0.0 (2014-10-16)

The highlights:

Fig has joined Docker. Fig will continue to be maintained, but we'll also be incorporating the best bits of Fig into Docker itself.

This means the GitHub repository has moved to https://github.com/docker/fig and our IRC channel is now #docker-fig on Freenode.
Fig can be used with the official Docker OS X installer. Boot2Docker will mount the home directory from your host machine so volumes work as expected.
Fig supports Docker 1.3.
It is now possible to connect to the Docker daemon using TLS by using the DOCKER_CERT_PATH and DOCKER_TLS_VERIFY environment variables.
There is a new fig port command which outputs the host port binding of a service, in a similar way to docker port.
There is a new fig pull command which pulls the latest images for a service.
There is a new fig restart command which restarts a service's containers.
Fig creates multiple containers in service by appending a number to the service name. For example, db_1, db_2. As a convenience, Fig will now give the first container an alias of the service name. For example, db.

This link alias is also a valid hostname and added to /etc/hosts so you can connect to linked services using their hostname. For example, instead of resolving the environment variables DB_PORT_5432_TCP_ADDR and DB_PORT_5432_TCP_PORT, you could just use the hostname db and port 5432 directly.
Volume definitions now support ro mode, expanding ~ and expanding environment variables.
.dockerignore is supported when building.
The project name can be set with the FIG_PROJECT_NAME environment variable.
The --env and --entrypoint options have been added to fig run.
The Fig binary for Linux is now linked against an older version of glibc so it works on CentOS 6 and Debian Wheezy.

Other things:

fig ps now works on Jenkins and makes fewer API calls to the Docker daemon.
--verbose displays more useful debugging output.
When starting a service where volumes_from points to a service without any containers running, that service will now be started.
Lots of docs improvements. Notably, environment variables are documented and official repositories are used throughout.

Thanks @dnephin, @d11wtq, @marksteve, @rubbish, @jbalonso, @timfreund, @alunduil, @mieciu, @shuron, @moss, @suzaku and @chmouel! Whew.

0.5.2 (2014-07-28)

Added a --no-cache option to fig build, which bypasses the cache just like docker build --no-cache.
Fixed the dns: fig.yml option, which was causing fig to error out.
Fixed a bug where fig couldn't start under Python 2.6.
Fixed a log-streaming bug that occasionally caused fig to exit.

Thanks @dnephin and @marksteve!

0.5.1 (2014-07-11)

If a service has a command defined, fig run [service] with no further arguments will run it.
The project name now defaults to the directory containing fig.yml, not the current working directory (if they're different)
volumes_from now works properly with containers as well as services
Fixed a race condition when recreating containers in fig up

Thanks @ryanbrainard and @d11wtq!

0.5.0 (2014-07-11)

Fig now starts links when you run fig run or fig up.

For example, if you have a web service which depends on a db service, fig run web ... will start the db service.
Environment variables can now be resolved from the environment that Fig is running in. Just specify it as a blank variable in your fig.yml and, if set, it'll be resolved:
```
environment:
  RACK_ENV: development
  SESSION_SECRET:
```
volumes_from is now supported in fig.yml. All of the volumes from the specified services and containers will be mounted:
```
volumes_from:
 - service_name
 - container_name
```

A host address can now be specified in ports:

ports:
 - "0.0.0.0:8000:8000"
 - "127.0.0.1:8001:8001"

The net and workdir options are now supported in fig.yml.
The hostname option now works in the same way as the Docker CLI, splitting out into a domainname option.
TTY behaviour is far more robust, and resizes are supported correctly.
Load YAML files safely.

Thanks to @d11wtq, @ryanbrainard, @rail44, @j0hnsmith, @binarin, @Elemecca, @mozz100 and @marksteve for their help with this release!

0.4.2 (2014-06-18)

Fix various encoding errors when using fig run, fig up and fig build.

0.4.1 (2014-05-08)

Add support for Docker 0.11.0. (Thanks @marksteve!)
Make project name configurable. (Thanks @jefmathiot!)
Return correct exit code from fig run.

0.4.0 (2014-04-29)

Support Docker 0.9 and 0.10
Display progress bars correctly when pulling images (no more ski slopes)
fig up now stops all services when any container exits
Added support for the privileged config option in fig.yml (thanks @kvz!)
Shortened and aligned log prefixes in fig up output
Only containers started with fig run link back to their own service
Handle UTF-8 correctly when streaming fig build/run/up output (thanks @mauvm and @shanejonas!)
Error message improvements

0.3.2 (2014-03-05)

Added an --rm option to fig run. (Thanks @marksteve!)
Added an expose option to fig.yml.

0.3.1 (2014-03-04)

Added contribution instructions. (Thanks @kvz!)
Fixed fig rm throwing an error.
Fixed a bug in fig ps on Docker 0.8.1 when there is a container with no command.

0.3.0 (2014-03-03)

We now ship binaries for OS X and Linux. No more having to install with Pip!
Add -f flag to specify alternate fig.yml files
Add support for custom link names
Fix a bug where recreating would sometimes hang
Update docker-py to support Docker 0.8.0.
Various documentation improvements
Various error message improvements

Thanks @marksteve, @Gazler and @teozkr!

0.2.2 (2014-02-17)

Resolve dependencies using Cormen/Tarjan topological sort
Fix fig up not printing log output
Stop containers in reverse order to starting
Fix scale command not binding ports

Thanks to @barnybug and @dustinlacewell for their work on this release.

0.2.1 (2014-02-04)

General improvements to error reporting (#77, #79)

0.2.0 (2014-01-31)

Link services to themselves so run commands can access the running service. (#67)
Much better documentation.
Make service dependency resolution more reliable. (#48)
Load Fig configurations with a .yaml extension. (#58)

Big thanks to @cameronmaske, @mrchrisadams and @damianmoore for their help with this release.

0.1.4 (2014-01-27)

Add a link alias without the project name. This makes the environment variables a little shorter: REDIS_1_PORT_6379_TCP_ADDR. (#54)

0.1.3 (2014-01-23)

Fix ports sometimes being configured incorrectly. (#46)
Fix log output sometimes not displaying. (#47)

0.1.2 (2014-01-22)

Add -T option to fig run to disable pseudo-TTY. (#34)
Fix fig up requiring the ubuntu image to be pulled to recreate containers. (#33) Thanks @cameronmaske!
Improve reliability, fix arrow keys and fix a race condition in fig run. (#34, #39, #40)

0.1.1 (2014-01-17)

Fix bug where ports were not exposed correctly (#29). Thanks @dustinlacewell!

0.1.0 (2014-01-16)

Containers are recreated on each fig up, ensuring config is up-to-date with fig.yml (#2)
Add fig scale command (#9)
Use DOCKER_HOST environment variable to find Docker daemon, for consistency with the official Docker client (was previously DOCKER_URL) (#19)
Truncate long commands in fig ps (#18)
Fill out CLI help banners for commands (#15, #16)
Show a friendlier error when fig.yml is missing (#4)
Fix bug with fig build logging (#3)
Fix bug where builds would time out if a step took a long time without generating output (#6)
Fix bug where streaming container output over the Unix socket raised an error (#7)

Big thanks to @tomstuart, @EnTeQuAk, @schickling, @aronasorman and @GeoffreyPlitt.

0.0.2 (2014-01-02)

Improve documentation
Try to connect to Docker on tcp://localdocker:4243 and a UNIX socket in addition to localhost.
Improve fig up behaviour
Add confirmation prompt to fig rm
Add fig build command

0.0.1 (2013-12-20)

Initial release.

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