container-server/services/matrix/docker-compose.yml

version: '3.7'

# https://github.com/matrix-org/synapse/tree/master/docs
# https://github.com/matrix-org/synapse/tree/master/contrib/docker
# https://github.com/matrix-org/synapse/blob/master/docs/reverse_proxy.md
# https://github.com/matrix-org/synapse/blob/master/docs/federate.md
# https://github.com/matrix-org/synapse/blob/master/docs/postgres.md
# https://github.com/matrix-org/synapse/blob/master/debian/register_new_matrix_user.ronn

networks:
  matrix:

services:
  matrix:
    image: matrixdotorg/synapse
    container_name: matrix
    restart: "${RESTART:-no}"
    hostname: matrix
    domainname: ${BASE_DOMAIN}
    environment:
      - SYNAPSE_CONFIG_DIR=/config
      - TZ=DE
      - UID=0
      - GID=0
    volumes:
      - ./matrix/config:/config:ro
      - ${BASE_DIR:-/srv}/matrix/data:/data
    depends_on:
      - pg-matrix
    networks:
      - proxy
      - matrix

  pg-matrix:
    image: postgres:${POSTGRES_VERSION}-alpine
    container_name: pg-matrix
    restart: "${RESTART:-no}"
    environment:
      - POSTGRES_DB=matrix
      - POSTGRES_USER=matrix
      - POSTGRES_PASSWORD=${MATRIX_PG_PWD:-matrix}
      - POSTGRES_INITDB_ARGS=--encoding=UTF-8 --lc-collate=C --lc-ctype=C
    volumes:
      - ${BASE_DIR:-/srv}/matrix/psql:/var/lib/postgresql/data
    networks:
      - matrix