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authorRobert Swain <rob@matrix.org>2017-09-28 12:12:47 +0200
committerRobert Swain <rob@matrix.org>2017-09-28 12:12:47 +0200
commit95e02b856b2ac1409dc0d5575ee0b7be55105e9a (patch)
tree014a2028a0f5bc82b49284084748ccda8ec7ff4d /docker/README.md
parentMerge pull request #2475 from matrix-org/erikj/joined_members_auth (diff)
downloadsynapse-95e02b856b2ac1409dc0d5575ee0b7be55105e9a.tar.xz
docker: Initial Dockerfile and docker-compose.yaml
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+# Synapse Docker
+
+## Build
+
+Build the docker image with the `docker build` command from the root of the synapse repository.
+
+```
+docker build -t matrix-org/synapse:v0.22.1 .
+```
+
+The `-t` option sets the image tag. Official images are tagged `matrix-org/synapse:<version>` where `<version>` is the same as the release tag in the synapse git repository.
+
+## Configure
+
+Synapse provides a command for generating homeserver configuration files. These are a good starting point for setting up your own deployment.
+
+The documentation below will refer to a `CONFIG_PATH` shell variable. This is a path to a directory where synapse configuration will be stored. It needs to be mapped into the container as a volume at `/synapse/config/` as can be seen in the example `docker run` command.
+
+Docker container environment variables:
+* `GENERATE_CONFIG` - Set this to any non-empty string, such as `yes`, to trigger generation of configuration files. Existing files in the `CONFIG_PATH` will **not** be overwritten.
+* `POSTGRES_DATABASE` - The database name for the synapse postgres database. [default: `synapse`]
+* `POSTGRES_HOST` - The host of the postgres database if you wish to use postgresql instead of sqlite3. [default: `postgres` which is useful when using a container on the same docker network in a compose file where the postgres service is called `postgres`] **NOTE**: `localhost` and `127.0.0.1` refer to the container itself unless running the container with `host` networking.
+* `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.
+* `POSTGRES_USER` - The user for the synapse postgres database. [default: `postgres`]
+* `REPORT_STATS` - Whether to send anonymous usage statistics back to the Matrix project which helps us to get funding! Must be `yes` or `no`. [default: `yes`]
+* `SERVER_NAME` - The domain used for the Matrix homeserver. If you intend to run this synapse instance on a public domain, use that domain. [default: `localhost`]
+
+```
+CONFIG_PATH=/my/magical/config/path/
+mkdir -p ${CONFIG_PATH}
+docker run \
+    --rm \
+    -e GENERATE_CONFIG=yes \
+    -e POSTGRES_PASSWORD=MyVerySecretPassword \
+    -e REPORT_STATS=yes \
+    -e SERVER_NAME=example.com \
+    -v ${CONFIG_PATH}:/synapse/config/ \
+    matrix-org/synapse:develop
+```
+
+This will create a temporary container from the image and use the synapse code for generating configuration files and TLS keys and certificates for the specified `SERVER_NAME` domain. The files are written to `CONFIG_PATH`.
+
+## Run
+
+**NOTE**: If you are not using postgresql and are using sqlite3 as your database, you will need to make a directory to store the sqlite3 database file in and then mount this volume into the container at `/synapse/data/`. As it is so easy to use postgresql, when using Docker containers, this is not documented to somewhat discourage it. Choose a `POSTGRES_PASSWORD` instead.
+
+### Docker Compose
+
+A `docker-compose.yaml` file is included to ease deployment of the basic synapse and postgres setup. Remember to set a `POSTGRES_PASSWORD` when generating your configuration above. You will need it for running the containers in the composition.
+
+From the `docker/` subdirectory of the synapse repository:
+```
+CONFIG_PATH=/my/magical/config/path/
+POSTGRES_PASSWORD=MyVerySecretPassword \
+docker-compose \
+    -p synapse \
+    up -d
+```
+
+### Docker
+
+Note that the following is just a guideline and you may need to add parameters to the docker run command to account for the network situation with your postgres database.
+
+```
+docker run \
+    -d \
+    --name synapse \
+    -v ${CONFIG_PATH}:/synapse/config/ \
+    matrix-org/synapse:v0.22.1
+```