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Merge pull request #4824 from matrix-org/rav/docker_docs

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Document the `generate` option for the docker image.
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Richard van der Hoff 2019-03-07 14:12:44 +00:00 committed by GitHub
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Document the `generate` option for the docker image.

41
docker/README.md
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@ -28,7 +28,7 @@ with your postgres database.
docker run \
-d \
--name synapse \
-v ${DATA_PATH}:/data \
--mount type=volume,src=synapse-data,dst=/data \
-e SYNAPSE_SERVER_NAME=my.matrix.host \
-e SYNAPSE_REPORT_STATS=yes \
matrixdotorg/synapse:latest
@ -87,10 +87,15 @@ Global settings:
* ``SYNAPSE_CONFIG_PATH``, path to a custom config file
If ``SYNAPSE_CONFIG_PATH`` is set, you should generate a configuration file
then customize it manually. No other environment variable is required.
then customize it manually: see [Generating a config
file](#generating-a-config-file).
Otherwise, a dynamic configuration file will be used. The following environment
variables are available for configuration:
Otherwise, a dynamic configuration file will be used.
### Environment variables used to build a dynamic configuration file
The following environment variables are used to build the configuration file
when ``SYNAPSE_CONFIG_PATH`` is not set.
* ``SYNAPSE_SERVER_NAME`` (mandatory), the server public hostname.
* ``SYNAPSE_REPORT_STATS``, (mandatory, ``yes`` or ``no``), enable anonymous
@ -143,3 +148,31 @@ Mail server specific values (will not send emails if not set):
any.
* ``SYNAPSE_SMTP_PASSWORD``, password for authenticating against the mail
server if any.
### Generating a config file
It is possible to generate a basic configuration file for use with
`SYNAPSE_CONFIG_PATH` using the `generate` commandline option. You will need to
specify values for `SYNAPSE_CONFIG_PATH`, `SYNAPSE_SERVER_NAME` and
`SYNAPSE_REPORT_STATS`, and mount a docker volume to store the data on. For
example:
```
docker run -it --rm
--mount type=volume,src=synapse-data,dst=/data \
-e SYNAPSE_CONFIG_PATH=/data/homeserver.yaml \
-e SYNAPSE_SERVER_NAME=my.matrix.host \
-e SYNAPSE_REPORT_STATS=yes \
matrixdotorg/synapse:latest generate
```
This will generate a `homeserver.yaml` in (typically)
`/var/lib/docker/volumes/synapse-data/_data`, which you can then customise and
use with:
```
docker run -d --name synapse \
--mount type=volume,src=synapse-data,dst=/data \
-e SYNAPSE_CONFIG_PATH=/data/homeserver.yaml \
matrixdotorg/synapse:latest
```