Set up Docker Swarm and abra
Deploy coop-cloud/traefik
abra app new matrix-synapse --secrets (optionally with --pass if you'd like to save secrets in pass)
abra app YOURAPPDOMAIN config - be sure to change $DOMAIN to something that resolves to your Docker swarm box
abra app YOURAPPDOMAIN deploy
Create an initial user: abra app YOURAPPDOMAIN run app register_new_matrix_user -c /data/homeserver.yaml http://localhost:8008

Tips & Tricks

Disabling federation

We're not sure this does it exactly and there is still a discussion running upstrem about whether this is the right way to do it & whether it could be more convenient. We welcome issues / change sets to close up more federation functionality.

use DISABLE_FEDERATION=1 to turn off federation listeners
don't use compose.matrix.yml in your traefik config to keep the federation ports closed

Enabling federation

See #27 for more.

Depending on your setup, using SERVE_SERVER_WELLKNOWN=true might work to start federating.

Seeing what changed in `homeserver.yaml` between versions

Change the version range to suit your needs.

git clone https://github.com/matrix-org/synapse
cd synapse/docs
git log --follow -p v1.48.0..v1.51.0 sample_config.yaml

Generating a new `homeserver.yaml`

The default is also available to see here.

docker run -it \
  --entrypoint="" \
  -e SYNAPSE_SERVER_NAME=foo.com \
  -e SYNAPSE_REPORT_STATS=no \
  matrixdotorg/synapse:v1.48.0 \
  sh -c '/start.py generate; cat /data/homeserver.yaml' > homeserver.yaml.tmpl`

Generating a new `<server>.log.config`

docker run -it \
  --entrypoint="" \
  -e SYNAPSE_SERVER_NAME=foo.com \
  -e SYNAPSE_REPORT_STATS=no \
  matrixdotorg/synapse:v1.48.0 \
  sh -c '/start.py generate; cat /data/foo.com.log.config' > log.config

Getting client discovery on a custom domain

You'll need to deploy something like this.

This could be implemented in this recipe but we haven't merged it in yet. Chang sets are welcome.

README.md

Matrix (Synapse)

Basic usage