Merge pull request #908 from infosiftr/docker-tweaks
Update Docker example output and convert it to use "%%IMAGE%%"
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yosifkit
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4d99ffc5a3
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@ -21,7 +21,7 @@ If you are still convinced that you need Docker-in-Docker and not just access to
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**IMPORTANT:** this image defaults to `--storage-driver=vfs`, which will be very slow and inefficient (but is the only driver which is guaranteed to work regardless of your underlying filesystem). Which driver you should use varies depending on your needs, but a good rule of thumb is that your DinD instance should be using the same driver as your host (which can be seen under `Storage Driver` in the output of `docker info`). See the "Custom daemon flags" section below for how to specify your storage driver.
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```console
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$ docker run --privileged --name some-docker -d docker:1.8-dind
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$ docker run --privileged --name some-docker -d %%IMAGE%%:stable-dind
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```
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**Note:** `--privileged` is required for Docker-in-Docker to function properly, but it should be used with care as it provides full access to the host environment, as explained [in the relevant section of the Docker documentation](https://docs.docker.com/engine/reference/run/#runtime-privilege-and-linux-capabilities).
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@ -31,94 +31,114 @@ This image includes `EXPOSE 2375` (the Docker port), so standard container linki
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## Connect to it from a second container
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```console
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$ docker run --rm --link some-docker:docker docker:1.7 version
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Client version: 1.7.1
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Client API version: 1.19
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Go version (client): go1.4.2
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Git commit (client): 786b29d
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OS/Arch (client): linux/amd64
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Server version: 1.8.1
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Server API version: 1.20
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Go version (server): go1.4.2
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Git commit (server): d12ea79
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OS/Arch (server): linux/amd64
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$ docker run --rm --link some-docker:docker %%IMAGE%%:edge version
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Client:
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Version: 17.05.0-ce
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API version: 1.27 (downgraded from 1.29)
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Go version: go1.7.5
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Git commit: 89658be
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Built: Fri May 5 15:36:11 2017
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OS/Arch: linux/amd64
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Server:
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Version: 17.03.1-ce
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API version: 1.27 (minimum version 1.12)
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Go version: go1.7.5
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Git commit: c6d412e
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Built: Tue Mar 28 00:40:02 2017
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OS/Arch: linux/amd64
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Experimental: false
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```
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```console
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$ docker run -it --rm --link some-docker:docker docker:1.8 sh
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$ docker run -it --rm --link some-docker:docker %%IMAGE%%:edge sh
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/ # docker version
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Client:
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Version: 1.8.1
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API version: 1.20
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Go version: go1.4.2
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Git commit: d12ea79
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Built: Thu Aug 13 02:49:29 UTC 2015
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Version: 17.05.0-ce
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API version: 1.27 (downgraded from 1.29)
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Go version: go1.7.5
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Git commit: 89658be
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Built: Fri May 5 15:36:11 2017
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OS/Arch: linux/amd64
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Server:
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Version: 1.8.1
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API version: 1.20
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Go version: go1.4.2
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Git commit: d12ea79
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Built: Thu Aug 13 02:49:29 UTC 2015
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Version: 17.03.1-ce
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API version: 1.27 (minimum version 1.12)
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Go version: go1.7.5
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Git commit: c6d412e
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Built: Tue Mar 28 00:40:02 2017
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OS/Arch: linux/amd64
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Experimental: false
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```
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```console
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$ docker run --rm --link some-docker:docker docker info
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$ docker run --rm --link some-docker:docker %%IMAGE%% info
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Containers: 0
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Running: 0
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Paused: 0
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Stopped: 0
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Images: 0
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Server Version: 17.03.1-ce
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Storage Driver: vfs
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Execution Driver: native-0.2
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Logging Driver: json-file
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Kernel Version: 4.0.9-gentoo
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Operating System: Alpine Linux v3.2 (containerized)
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Cgroup Driver: cgroupfs
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Plugins:
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Volume: local
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Network: bridge host macvlan null overlay
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Swarm: inactive
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Runtimes: runc
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Default Runtime: runc
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Init Binary: docker-init
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containerd version: 4ab9917febca54791c5f071a9d1f404867857fcc
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runc version: 54296cf40ad8143b62dbcaa1d90e520a2136ddfe
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init version: 949e6fa
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Security Options:
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seccomp
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Profile: default
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Kernel Version: 4.4.63-gentoo
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Operating System: Alpine Linux v3.5 (containerized)
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OSType: linux
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Architecture: x86_64
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CPUs: 8
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Total Memory: 31.4 GiB
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Name: 4f19ef15a373
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ID: 3GTC:FH6T:4G5U:7NF4:GM77:JGYU:BOKS:XFCY:H3IQ:JDJ5:X73Z:2K2K
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Name: 393376fdc461
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ID: FDP3:4GDT:L2WP:D4CC:UAW5:RHNA:4Z4G:WQYY:YWBE:7RER:LV7E:USY5
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Docker Root Dir: /var/lib/docker
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Debug Mode (client): false
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Debug Mode (server): false
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Registry: https://index.docker.io/v1/
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WARNING: bridge-nf-call-iptables is disabled
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WARNING: bridge-nf-call-ip6tables is disabled
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Experimental: false
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Insecure Registries:
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127.0.0.0/8
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Live Restore Enabled: false
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```
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```console
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$ docker run --rm --link some-docker:docker docker:git build https://github.com/docker-library/hello-world.git
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Sending build context to Docker daemon 132.1 kB
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Step 0 : FROM scratch
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--->
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Step 1 : COPY hello /
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---> 29bef505052d
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Removing intermediate container f98aab888906
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Step 2 : CMD /hello
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---> Running in a735b4037032
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---> 3c2b1350a3c4
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Removing intermediate container a735b4037032
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Successfully built 3c2b1350a3c4
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```
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```console
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$ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock docker version
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$ docker run --rm -v /var/run/docker.sock:/var/run/docker.sock %%IMAGE%% version
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Client:
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Version: 1.8.1
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API version: 1.20
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Go version: go1.4.2
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Git commit: d12ea79
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Built: Thu Aug 13 02:49:29 UTC 2015
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Version: 17.05.0-ce
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API version: 1.28 (downgraded from 1.29)
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Go version: go1.7.5
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Git commit: 89658be
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Built: Fri May 5 15:36:11 2017
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OS/Arch: linux/amd64
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Server:
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Version: 1.9.0-dev
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API version: 1.21
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Go version: go1.4.2
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Git commit: 7e3088c-dirty
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Built: Tue Aug 18 19:53:53 UTC 2015
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Version: 17.04.0-ce
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API version: 1.28 (minimum version 1.12)
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Go version: go1.8
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Git commit: 4845c56
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Built: Thu Apr 27 07:51:43 2017
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OS/Arch: linux/amd64
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Experimental: false
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```
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## Custom daemon flags
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```console
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$ docker run --privileged --name some-overlay-docker -d docker:dind --storage-driver=overlay
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$ docker run --privileged --name some-overlay-docker -d %%IMAGE%%:dind --storage-driver=overlay
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```
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## Where to Store Data
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@ -134,7 +154,7 @@ The Docker documentation is a good starting point for understanding the differen
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2. Start your `%%REPO%%` container like this:
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```console
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$ docker run --privileged --name some-docker -v /my/own/var-lib-docker:/var/lib/docker -d docker:dind
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$ docker run --privileged --name some-docker -v /my/own/var-lib-docker:/var/lib/docker -d %%IMAGE%%:dind
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```
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The `-v /my/own/var-lib-docker:/var/lib/docker` part of the command mounts the `/my/own/var-lib-docker` directory from the underlying host system as `/var/lib/docker` inside the container, where Docker by default will write its data files.
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