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Update docker.markdown (#4815)

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# add paragraph to explain how to update docker-compose.yml example for macOS
# The TZ issue wasn't specific to `boot2docker`
# Add details link for net:host vs port: conflict
# Add details link for TZ issue
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Scott Prive 2018-03-06 15:17:04 -05:00 committed by Fabian Affolter
parent 3217dfcc7f
commit ca946f274d
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@ -20,14 +20,16 @@ $ docker run -d --name="home-assistant" -v /path/to/your/config:/config -v /etc/
### {% linkable_title macOS %}
When using `boot2docker` on macOS you are unable to map the local time to your Docker container. Use `-e "TZ=America/Los_Angeles"` instead of `-v /etc/localtime:/etc/localtime:ro`. Replace "America/Los_Angeles" with [your timezone](http://en.wikipedia.org/wiki/List_of_tz_database_time_zones).
When using `docker-ce` (or `boot2docker`) on macOS, you are unable to map the local timezone to your Docker container (see Docker issue https://github.com/docker/for-mac/issues/44). Instead of `-v /etc/localtime:/etc/localtime:ro`, just pass in the timezone environment variable when you launch the container, ex: `-e "TZ=America/Los_Angeles"`. Replace "America/Los_Angeles" with [your timezone](http://en.wikipedia.org/wiki/List_of_tz_database_time_zones).
Additionally, if your expectation is that you will be able to browse directly to `http://localhost:8123` on your macOS host, then you will also need to replace the `--net=host` switch with `-p 8123:8123`. This is currently the only way to forward ports on to your actual host (macOS) machine instead of the virtual machine inside `xhyve`. More detail on this can be found in [the docker forums](https://forums.docker.com/t/should-docker-run-net-host-work/14215/10).
If you wish to browse directly to `http://localhost:8123` from your macOS host, meaning forward ports directly to the container, replace the `--net=host` switch with `-p 8123:8123`. More detail can be found in [the docker forums](https://forums.docker.com/t/should-docker-run-net-host-work/14215/10).
```bash
$ docker run -d --name="home-assistant" -v /path/to/your/config:/config -e "TZ=America/Los_Angeles" -p 8123:8123 homeassistant/home-assistant
```
Alternatively, `docker-compose` works with any recent release of `docker-ce` on macOS. Note that (further down this page) we provide an example `docker-compose.yml` however it differs from the `docker run` example above. To make the .yml directives match, you would need to make _two_ changes: first add the equivalent `ports:` directive, then _remove_ the `network_mode: host` section. This is because `Port mapping is incompatible with network_mode: host:`. More details can be found at [Docker networking docs] (https://docs.docker.com/engine/userguide/networking/#default-networks). Note also the `/dev/tty*` device name used by your Arduino etc. devices will differ from the Linux example, so the compose `mount:` may require updates.
### {% linkable_title Windows %}
When running Home Assistant in Docker on Windows, you may have some difficulty getting ports to map for routing (since the `--net=host` switch actually applies to the hypervisor's network interface). To get around this, you will need to add port proxy ipv4 rules to your local Windows machine, like so (Replacing '192.168.1.10' with whatever your Windows IP is, and '10.0.50.2' with whatever your Docker container's IP is):