Demo config.yml

# This compose file is compatible with Compose itself, it might need some
# adjustments to run properly with stack.

version: '3'

services:

    synapse:
        #build:
        #    context: ../..
        #    dockerfile: docker/Dockerfile
        image: docker.io/matrixdotorg/synapse:latest
        # Since synapse does not retry to connect to the database, restart upon
        # failure
        restart: unless-stopped
        # See the readme for a full documentation of the environment settings
        environment:
            - SYNAPSE_SERVER_NAME=kuelio.org
            - SYNAPSE_REPORT_STATS=no
            - SYNAPSE_ENABLE_REGISTRATION=yes
            - SYNAPSE_LOG_LEVEL=INFO
            - POSTGRES_PASSWORD=changeme
        volumes:
            # You may either store all the files in a local folder
            - /data/matrix:/data
            # .. or you may split this between different storage points
            # - ./files:/data
            # - /path/to/ssd:/data/uploads
            # - /path/to/large_hdd:/data/media
        depends_on:
            - db
        # In order to expose Synapse, remove one of the following, you might for
        # instance expose the TLS port directly:
        ports:
        - 8448:8448/tcp
        # ... or use a reverse proxy, here is an example for traefik:
        #labels:
        #  - traefik.enable=true
        #  - traefik.frontend.rule=Host:my.matrix.Host
        #  - traefik.port=8448

    db:
        image: docker.io/postgres:10-alpine
        restart: always
        # Change that password, of course!
        environment:
            - POSTGRES_USER=synapse
            - POSTGRES_PASSWORD=changeme
        volumes:
            # You may store the database tables in a local folder..
            - /data/pgsql:/var/lib/postgresql/data
            # .. or store them on some high performance storage for better results
            # - /path/to/ssd/storage:/var/lib/postgresql/data
    coturn:
      image: icedream/coturn
      container_name: coturn
      net: host
      ports:
        - "3478:3478/udp" # STUN/TURN UDP
        - "3478:3478/tcp" # STUN/TURN TCP
        - "3479:3479/udp" # STUN/TURN UDP Alt port (RFC5780 support)
        - "3479:3479/tcp" # STUN/TURN TCP Alt port (RFC5780 support)
        - "5349:5349/udp" # STUN/TURN DTLS
        - "5349:5349/tcp" # STUN/TURN TLS
        - "5350:5350/udp" # STUN/TURN DTLS Alt port (RFC5780 support)
        - "5350:5350/tcp" # STUN/TURN TLS Alt port (RFC5780 support)
        - "49152:65535/udp" # UDP media ports for TURN relay
      environment:
        - PORT: 3478
        - ALT_PORT: 3479
        - TLS_PORT: 5349
        - TLS_ALT_PORT: 5350
        - MIN_PORT: 49152
        - MAX_PORT: 65535
        - static-auth-secret: ThisIsASharedSecret-ChangeMe
        - realm: turn.mydomain.com
        - cert: 'path.pem',
        - pkey: 'path.pem'
    JSON_CONFIG: '{"config":["lt-cred-mech", "use-auth-secret", ]}'