# FIXME: define a frontend & backend network, and only expose backend services to the frontend (nginx)

networks:
  backend:

secrets:
  postgres_password:
    file: secrets/postgres/postgres_password
  synapse_signing_key:
    file: secrets/synapse/signing.key
  livekit_api_key:
    file: secrets/livekit/livekit_api_key
  livekit_secret_key:
    file: secrets/livekit/livekit_secret_key

services:
  # XXX: consider factor out secret generation from the compose.yml

  # dependencies for optionally generating default configs + secrets
  generate-synapse-secrets:
    image: ghcr.io/element-hq/synapse:latest
    user: $USER_ID:$GROUP_ID
    restart: "no"
    volumes:
      - ${VOLUME_PATH}/data/synapse:/data:rw
      - ${VOLUME_PATH}/init/generate-synapse-secrets.sh:/entrypoint.sh
    env_file: .env
    environment:
      SYNAPSE_CONFIG_DIR: /data
      SYNAPSE_CONFIG_PATH: /data/homeserver.yaml.default
      SYNAPSE_SERVER_NAME: ${DOMAIN}
      SYNAPSE_REPORT_STATS: ${REPORT_STATS}
    entrypoint: "/entrypoint.sh"

  generate-mas-secrets:
    restart: "no"
    image: ghcr.io/element-hq/matrix-authentication-service:latest
    user: $USER_ID:$GROUP_ID
    volumes:
      - ${VOLUME_PATH}/data/mas:/data:rw
    # FIXME: stop this regenerating a spurious default config every time
    # We can't do the same approach as synapse (unless use a debug image of MAS) as MAS is distroless and has no bash.
    command: "config generate -o /data/config.yaml.default"

  # dependency for templating /data-template into /data (having extracted any secrets from any default generated configs)
  init:
    build: init
    user: $USER_ID:$GROUP_ID
    restart: "no"
    volumes:
      - ${VOLUME_PATH}/secrets:/secrets
      - ${VOLUME_PATH}/data:/data
      - ${VOLUME_PATH}/data-template:/data-template
      - ${VOLUME_PATH}/init/init.sh:/init.sh
    command: "/init.sh"
    env_file: .env
    depends_on:
      generate-synapse-secrets:
        condition: service_completed_successfully
      generate-mas-secrets:
        condition: service_completed_successfully

  nginx:
    image: nginx:latest
    restart: unless-stopped
    ports:
      - "80:80"
      - "443:443"
      - "8448:8448"
    # shutdown fast so we can iterate rapidly on compose.yml
    stop_grace_period: 0s
    volumes:
      - ${VOLUME_PATH}/data/nginx/conf.d:/etc/nginx/conf.d
      - ${VOLUME_PATH}/data/nginx/www:/var/www
      - ${VOLUME_PATH}/data/ssl:/etc/nginx/ssl
    command: "/bin/sh -c 'while :; do sleep 6h & wait $${!}; nginx -s reload; done & nginx -g \"daemon off;\"'"
    networks:
      backend:
        aliases: # so our containers can resolve the LB
          - $DOMAIN
          - $HOMESERVER_FQDN
          - $ELEMENT_WEB_FQDN
          - $ELEMENT_CALL_FQDN
          - $MAS_FQDN
    depends_on:
      init:
        condition: service_completed_successfully
      synapse:
        condition: service_started

  certbot:
    image: certbot/certbot:latest
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data/certbot/conf:/etc/letsencrypt
      - ${VOLUME_PATH}/data/certbot/www:/var/www/certbot
    entrypoint: "/bin/sh -c 'trap exit TERM; while [ -f /etc/letsencrypt/live ]; do certbot renew; sleep 12h & wait $${!}; done;'"
    depends_on:
      init:
        condition: service_completed_successfully
      nginx:
        condition: service_started

  postgres:
    image: postgres:latest
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data/postgres:/var/lib/postgresql/data:rw
      - ${VOLUME_PATH}/scripts/create-multiple-postgresql-databases.sh:/docker-entrypoint-initdb.d/create-multiple-postgresql-databases.sh
    networks:
      - backend
    environment:
      POSTGRES_MULTIPLE_DATABASES: synapse,mas
      POSTGRES_USER: matrix # FIXME: use different username+passwords for synapse & MAS DBs.
      POSTGRES_PASSWORD_FILE: /run/secrets/postgres_password
      POSTGRES_INITDB_ARGS: --encoding=UTF8 --locale=C
      PGDATA: /var/lib/postgresql/data/data # otherwise it clashes with .gitkeep in the parent dir
    secrets:
      - postgres_password
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U matrix"]
      start_period: "1s"
      interval: "1s"
      timeout: "5s"
    depends_on:
      init:
        condition: service_completed_successfully

  redis:
    image: redis:latest
    restart: unless-stopped
    # healthcheck:
    #   test: ["CMD-SHELL", "redis-cli ping | grep PONG"]
    #   interval: 1s
    #   timeout: 3s
    #   retries: 5
    networks:
      - backend

  synapse:
    image: ghcr.io/element-hq/synapse:latest
    user: $USER_ID:$GROUP_ID
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data/synapse:/data:rw
      - ${VOLUME_PATH}/data/nginx/ssl/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt
    # ports:
    #   - 8008:8008
    networks:
      - backend
    environment:
      SYNAPSE_CONFIG_DIR: /data
      SYNAPSE_CONFIG_PATH: /data/homeserver.yaml
    secrets:
      - synapse_signing_key
    depends_on:
      redis:
        condition: service_started
      postgres:
        condition: service_healthy
      init:
        condition: service_completed_successfully

  synapse-generic-worker-1:
    image: ghcr.io/element-hq/synapse:latest
    user: $USER_ID:$GROUP_ID
    restart: unless-stopped
    entrypoint: ["/start.py", "run", "--config-path=/data/homeserver.yaml", "--config-path=/data/workers/synapse-generic-worker-1.yaml"]
    healthcheck:
      test: ["CMD-SHELL", "curl -fSs http://localhost:8081/health || exit 1"]
      start_period: "5s"
      interval: "15s"
      timeout: "5s"
    networks:
      - backend
    volumes:
      - ${VOLUME_PATH}/data/synapse:/data:rw
      - ${VOLUME_PATH}/data/nginx/ssl/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt
    environment:
      SYNAPSE_WORKER: synapse.app.generic_worker
    # Expose port if required so your reverse proxy can send requests to this worker
    # Port configuration will depend on how the http listener is defined in the worker configuration file
    # ports:
    #   - 8081:8081
    secrets:
      - synapse_signing_key
    depends_on:
      - synapse

  synapse-federation-sender-1:
    image: ghcr.io/element-hq/synapse:latest
    user: $USER_ID:$GROUP_ID
    restart: unless-stopped
    entrypoint: ["/start.py", "run", "--config-path=/data/homeserver.yaml", "--config-path=/data/workers/synapse-federation-sender-1.yaml"]
    healthcheck:
      disable: true
    networks:
      - backend
    volumes:
      - ${VOLUME_PATH}/data/synapse:/data:rw # Replace VOLUME_PATH with the path to your Synapse volume
      - ${VOLUME_PATH}/data/nginx/ssl/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt
    environment:
      SYNAPSE_WORKER: synapse.app.federation_sender
    # ports:
    #   - 8082:8082
    secrets:
      - synapse_signing_key
    depends_on:
      - synapse

  mas:
    image: ghcr.io/element-hq/matrix-authentication-service:latest
    restart: unless-stopped
    # ports:
    #   - 8083:8080
    volumes:
      - ${VOLUME_PATH}/data/mas:/data:rw
      - ${VOLUME_PATH}/data/nginx/ssl/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt
    networks:
      - backend
    # FIXME: do we also need to sync the db?
    command: "server --config=/data/config.yaml"
    depends_on:
      postgres:
        condition: service_healthy
      init:
        condition: service_completed_successfully

  # as a basic local MTA
  mailhog:
    image: mailhog/mailhog:latest
    restart: unless-stopped
    ports:
      - 8025:8025
      # - 1025:1025
    networks:
      - backend

  element-web:
    image: vectorim/element-web:latest
    restart: unless-stopped
    # ports:
    #   - 8080:80
    healthcheck:
      test: ["CMD-SHELL", "curl -fSs http://localhost:8080/version || exit 1"]
      start_period: "5s"
      interval: "15s"
      timeout: "5s"
    networks:
      - backend
    volumes:
      - ${VOLUME_PATH}/data/element-web/config.json:/app/config.json
    depends_on:
      init:
        condition: service_completed_successfully

  element-call:
    image: ghcr.io/element-hq/element-call
    restart: unless-stopped
    # ports:
    #   - 8082:80
    networks:
      - backend
    volumes:
      - ${VOLUME_PATH}/data/element-call/config.json:/app/config.json
    depends_on:
      init:
        condition: service_completed_successfully

  livekit:
    image: livekit/livekit-server:latest
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data/livekit/config.yaml:/etc/livekit.yaml
    command: --config /etc/livekit.yaml --node-ip ${LIVEKIT_NODE_IP}
    ports:
      # - 7880:7880 # HTTP listener
      - 7881:7881 # TCP WebRTC transport, advertised via SDP

      # TODO: expose livekit-turn on TCP & UDP 443 via nginx
      # At least this would allow UDP turn on port 443 for better perf.

      # You can't expose a massive range here as it literally sets up 10,000 userland listeners, which takes forever
      # and will clash with any existing high-numbered ports.
      # So for now, tunnel everything via TCP 7881. FIXME!
      #- 50000-60000:50000-60000/tcp # TCP media
      #- 50000-60000:50000-60000/udp # UDP media
    networks:
      - backend
    depends_on:
      init:
        condition: service_completed_successfully
      redis:
        condition: service_started

  livekit-jwt:
    build:
      # evil hack to pull in bash so we can run an entrypoint.sh
      # FIXME: it's a bit wasteful; the alternative would be to modify lk-jwt-service to pick up secrets from disk
      # Another alternative would be to factor out secret generation from compose.yml and create an .env up front
      dockerfile_inline: |
        FROM ghcr.io/element-hq/lk-jwt-service:latest-ci AS builder
        FROM alpine:latest
        RUN apk update && apk add bash
        COPY --from=builder /lk-jwt-service /
    restart: unless-stopped
    volumes:
      - ${VOLUME_PATH}/data/nginx/ssl/ca-certificates.crt:/etc/ssl/certs/ca-certificates.crt
      - ${VOLUME_PATH}/scripts/livekit-jwt-entrypoint.sh:/entrypoint.sh
    entrypoint: /entrypoint.sh
    env_file: .env
    deploy:
      restart_policy:
        condition: on-failure
    networks:
      - backend
    secrets:
      - livekit_api_key
      - livekit_secret_key
    depends_on:
      init:
        condition: service_completed_successfully
      livekit:
        condition: service_started