126 lines
5.6 KiB
Markdown
126 lines
5.6 KiB
Markdown
# Synapse Docker
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This Docker image will run Synapse as a single process. It does not provide a database
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server or a TURN server, you should run these separately.
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## Run
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We do not currently offer a `latest` image, as this has somewhat undefined semantics.
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We instead release only tagged versions so upgrading between releases is entirely
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within your control.
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### Using docker-compose (easier)
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This image is designed to run either with an automatically generated configuration
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file or with a custom configuration that requires manual editing.
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An easy way to make use of this image is via docker-compose. See the
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[contrib/docker](../contrib/docker)
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section of the synapse project for examples.
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### Without Compose (harder)
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If you do not wish to use Compose, you may still run this image using plain
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Docker commands. Note that the following is just a guideline and you may need
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to add parameters to the docker run command to account for the network situation
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with your postgres database.
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```
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docker run \
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-d \
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--name synapse \
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-v ${DATA_PATH}:/data \
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-e SYNAPSE_SERVER_NAME=my.matrix.host \
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-e SYNAPSE_REPORT_STATS=yes \
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docker.io/matrixdotorg/synapse:latest
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```
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## Volumes
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The image expects a single volume, located at ``/data``, that will hold:
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* temporary files during uploads;
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* uploaded media and thumbnails;
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* the SQLite database if you do not configure postgres;
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* the appservices configuration.
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You are free to use separate volumes depending on storage endpoints at your
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disposal. For instance, ``/data/media`` coud be stored on a large but low
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performance hdd storage while other files could be stored on high performance
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endpoints.
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In order to setup an application service, simply create an ``appservices``
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directory in the data volume and write the application service Yaml
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configuration file there. Multiple application services are supported.
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## Environment
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Unless you specify a custom path for the configuration file, a very generic
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file will be generated, based on the following environment settings.
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These are a good starting point for setting up your own deployment.
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Global settings:
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* ``UID``, the user id Synapse will run as [default 991]
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* ``GID``, the group id Synapse will run as [default 991]
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* ``SYNAPSE_CONFIG_PATH``, path to a custom config file
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If ``SYNAPSE_CONFIG_PATH`` is set, you should generate a configuration file
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then customize it manually. No other environment variable is required.
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Otherwise, a dynamic configuration file will be used. The following environment
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variables are available for configuration:
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* ``SYNAPSE_SERVER_NAME`` (mandatory), the current server public hostname.
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* ``SYNAPSE_REPORT_STATS``, (mandatory, ``yes`` or ``no``), enable anonymous
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statistics reporting back to the Matrix project which helps us to get funding.
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* ``SYNAPSE_NO_TLS``, set this variable to disable TLS in Synapse (use this if
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you run your own TLS-capable reverse proxy).
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* ``SYNAPSE_ENABLE_REGISTRATION``, set this variable to enable registration on
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the Synapse instance.
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* ``SYNAPSE_ALLOW_GUEST``, set this variable to allow guest joining this server.
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* ``SYNAPSE_EVENT_CACHE_SIZE``, the event cache size [default `10K`].
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* ``SYNAPSE_CACHE_FACTOR``, the cache factor [default `0.5`].
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* ``SYNAPSE_RECAPTCHA_PUBLIC_KEY``, set this variable to the recaptcha public
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key in order to enable recaptcha upon registration.
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* ``SYNAPSE_RECAPTCHA_PRIVATE_KEY``, set this variable to the recaptcha private
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key in order to enable recaptcha upon registration.
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* ``SYNAPSE_TURN_URIS``, set this variable to the coma-separated list of TURN
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uris to enable TURN for this homeserver.
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* ``SYNAPSE_TURN_SECRET``, set this to the TURN shared secret if required.
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* ``SYNAPSE_MAX_UPLOAD_SIZE``, set this variable to change the max upload size [default `10M`].
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Shared secrets, that will be initialized to random values if not set:
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* ``SYNAPSE_REGISTRATION_SHARED_SECRET``, secret for registrering users if
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registration is disable.
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* ``SYNAPSE_MACAROON_SECRET_KEY`` secret for signing access tokens
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to the server.
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Database specific values (will use SQLite if not set):
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* `POSTGRES_DB` - The database name for the synapse postgres database. [default: `synapse`]
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* `POSTGRES_HOST` - The host of the postgres database if you wish to use postgresql instead of sqlite3. [default: `db` which is useful when using a container on the same docker network in a compose file where the postgres service is called `db`]
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* `POSTGRES_PASSWORD` - The password for the synapse postgres database. **If this is set then postgres will be used instead of sqlite3.** [default: none] **NOTE**: You are highly encouraged to use postgresql! Please use the compose file to make it easier to deploy.
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* `POSTGRES_USER` - The user for the synapse postgres database. [default: `matrix`]
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Mail server specific values (will not send emails if not set):
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* ``SYNAPSE_SMTP_HOST``, hostname to the mail server.
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* ``SYNAPSE_SMTP_PORT``, TCP port for accessing the mail server [default ``25``].
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* ``SYNAPSE_SMTP_USER``, username for authenticating against the mail server if any.
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* ``SYNAPSE_SMTP_PASSWORD``, password for authenticating against the mail server if any.
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## Build
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Build the docker image with the `docker build` command from the root of the synapse repository.
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```
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docker build -t docker.io/matrixdotorg/synapse . -f docker/Dockerfile
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```
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The `-t` option sets the image tag. Official images are tagged `matrixdotorg/synapse:<version>` where `<version>` is the same as the release tag in the synapse git repository.
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You may have a local Python wheel cache available, in which case copy the relevant
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packages in the ``cache/`` directory at the root of the project.
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