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Merge pull request #577 from docker/mstanleyjones-patch-1 

Provide clarification on status of `--link`
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Misty Stanley-Jones 2016-11-15 13:51:37 -08:00 committed by GitHub
parent 69b3a3d434 185b5db95d
commit baa71f000b
1 changed files with 7 additions and 2 deletions
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engine/userguide/networking/default_network/dockerlinks.md
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@ -6,7 +6,7 @@ redirect_from:
title: Legacy container links title: Legacy container links
--- ---
The information in this section explains legacy container links within the Docker default bridge. This is a `bridge` network named `bridge` created automatically when you install Docker. The information in this section explains legacy container links within the Docker default `bridge` network which is created automatically when you install Docker.
Before the [Docker networks feature](../index.md), you could use the Before the [Docker networks feature](../index.md), you could use the
Docker link feature to allow containers to discover each other and securely Docker link feature to allow containers to discover each other and securely
@ -18,6 +18,11 @@ behave differently between default `bridge` network and
This section briefly discusses connecting via a network port and then goes into This section briefly discusses connecting via a network port and then goes into
detail on container linking in default `bridge` network. detail on container linking in default `bridge` network.
>**Warning**: The `--link` flag is a deprecated legacy feature of Docker. It may eventually
be removed. Unless you absolutely need to continue using it, we recommend that you use
user-defined networks to facilitate communication between two containers instead of using
`--link`.
## Connect using network port mapping ## Connect using network port mapping
In [Run a simple application](../../../tutorials/usingdocker.md), you created a In [Run a simple application](../../../tutorials/usingdocker.md), you created a
@ -364,4 +369,4 @@ allowing linked communication to continue.
. . . . . .
172.17.0.9 db 172.17.0.9 db
# Related information # Related information