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17.06: improve the Docker for Mac networking workaround (#3220) 

Rather than manually creating a custom IP alas on the host, a container
can connect to the host by resolving the DNS name `docker.for.mac.localhost`.

Signed-off-by: David Scott <dave.scott@docker.com>
This commit is contained in:
Dave Scott 2017-05-19 23:05:51 +01:00 committed by Misty Stanley-Jones
parent eb0ff71b5d
commit 52a42bcd3e
1 changed files with 4 additions and 5 deletions
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9
docker-for-mac/networking.md
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@ -78,11 +78,10 @@ There are two scenarios that the above limitations will affect:
#### I want to connect from a container to a service on the host
The Mac has a changing IP address (or none if you have no network access). Our
current recommendation is to attach an unused IP to the `lo0` interface on the
Mac; for example: `sudo ifconfig lo0 alias 10.200.10.1/24`, and make sure that
your service is listening on this address or `0.0.0.0` (ie not `127.0.0.1`).
Then containers can connect to this address.
The Mac has a changing IP address (or none if you have no network access). From
17.06 onwards our recommendation is to connect to the special Mac-only DNS
name `docker.for.mac.localhost` which will resolve to the internal IP address
used by the host.
#### I want to connect to a container from the Mac