vps/roles/synapse/templates/docker-compose.yaml

services:
  postgres:
    container_name: synapse-postgres
    image: postgres:alpine
    restart: always
    user: {{ users['synapse_postgres'] }}:{{ users['synapse_postgres'] }}
    environment:
      LANG: C
      POSTGRES_INITDB_ARGS: "--locale=C --encoding=UTF8"
      POSTGRES_USER: {{ synapse_secrets['postgres_user'] }}
      POSTGRES_PASSWORD: {{ synapse_secrets['postgres_password'] }}
    volumes:
      - {{ volumes['synapse_postgres_datadir'] }}:/var/lib/postgresql/data

  synapse:
    container_name: synapse
    image: matrixdotorg/synapse:latest
    restart: always
    environment:
      UID: {{ users['synapse'] }}
      GID: {{ users['synapse'] }}
      TZ: {{ timezone }}
    ports:
      - 127.0.0.1:{{ ports['synapse'] }}:8008
    volumes:
      - {{ volumes['synapse_datadir'] }}:/data
      - ./homeserver.yaml:/data/homeserver.yaml