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Drop/adjust a few explicit EXPOSE references (mostly implied, not really adding value)

This commit is contained in:
Tianon Gravi 2019-02-06 15:46:48 -08:00
parent c9e5041409
commit f71a17a632
3 changed files with 2 additions and 4 deletions
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2
docker/content.md
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@ -26,7 +26,7 @@ $ docker run --privileged --name some-docker -d %%IMAGE%%:stable-dind
**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). **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).
This image includes `EXPOSE 2375` (the Docker port), so standard container linking will make it automatically available to the linked containers (as the following examples illustrate). By default, the `dind` variants of this image add `--host=tcp://0.0.0.0:2375` (on top of the explicit default of `--host=unix:///var/run/docker.sock`) in order to allow external containers to access `dockerd` appropriately (as the following examples illustrate).
## Connect to it from a second container ## Connect to it from a second container

2
postgres/content.md
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@ -16,7 +16,7 @@ PostgreSQL implements the majority of the SQL:2011 standard, is ACID-compliant a
$ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d %%IMAGE%% $ docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d %%IMAGE%%
``` ```
This image includes `EXPOSE 5432` (the postgres port), so standard container linking will make it automatically available to the linked containers. The default `postgres` user and database are created in the entrypoint with `initdb`. The default `postgres` user and database are created in the entrypoint with `initdb`.
> The postgres database is a default database meant for use by users, utilities and third party applications. > The postgres database is a default database meant for use by users, utilities and third party applications.
> >

2
redis/content.md
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@ -14,8 +14,6 @@ Redis is an open-source, networked, in-memory, key-value data store with optiona
$ docker run --name some-redis -d %%IMAGE%% $ docker run --name some-redis -d %%IMAGE%%
``` ```
This image includes `EXPOSE 6379` (the redis port), so standard container linking will make it automatically available to the linked containers (as the following examples illustrate).
## start with persistent storage ## start with persistent storage
```console ```console