services:
  app:
    image: bitnami/discourse:3.1.1
    networks:
      - proxy
      - internal
    # entrypoint: ['tail', '-f', '/dev/null']
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - DISCOURSE_DATABASE_HOST=${STACK_NAME}_db
      - DISCOURSE_DATABASE_NAME=discourse
      - DISCOURSE_DATABASE_PASSWORD_FILE=/run/secrets/db_password
      - DISCOURSE_DATABASE_USER=discourse
      - DISCOURSE_HOST=${DOMAIN}
      - DISCOURSE_NOTIFICATION_EMAIL
      - DISCOURSE_SMTP_AUTH
      - DISCOURSE_SMTP_HOST
      - DISCOURSE_SMTP_PORT
      - DISCOURSE_SMTP_PROTOCOL
      - DISCOURSE_SMTP_USER
      - PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0
    volumes:
      - 'discourse_data:/bitnami/discourse'
    secrets:
      - db_password
    depends_on:
      - db
      - redis
    deploy:
      update_config:
        failure_action: rollback
        order: start-first
      labels:
        - "traefik.enable=true"
        - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=3000"
        - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
        - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
        - "traefik.http.routers.${STACK_NAME}.tls.certresolver=${LETS_ENCRYPT_ENV}"
    # healthcheck:
    #   test: ["CMD", "curl", "-f", "http://localhost:3000"]
    #   interval: 30s
    #   timeout: 10s
    #   retries: 10
    #   start_period: 1m

  db:
    image: postgres:13
    networks:
      - internal
    secrets:
      - db_password
    volumes:
      - 'postgresql_data:/var/lib/postgresql/data'
    configs:
      - source: db_entrypoint
        target: /docker-entrypoint.sh
        mode: 0555
    entrypoint: /docker-entrypoint.sh
    environment:
      - POSTGRES_HOST_AUTH_METHOD=trust
      - POSTGRES_USER=discourse
      - POSTGRES_DB=discourse
      - POSTGRES_PASSWORD_FILE=/run/secrets/db_password
    deploy:
      labels:
        backupbot.backup: "true"
        backupbot.backup.pre-hook: "bash -c 'PGPASSWORD=$$(cat $${POSTGRES_PASSWORD_FILE}) pg_dump -U $${POSTGRES_USER} $${POSTGRES_DB} > /tmp/backup.sql'"
        backupbot.backup.post-hook: "rm -rf /tmp/backup.sql"
        backupbot.backup.path: "/tmp/backup.sql"

  redis:
    image: redis:7.2-alpine
    networks:
      - internal
    volumes:
      - 'redis_data:/data'

  sidekiq:
    image: bitnami/discourse:3.0.6
    networks:
      - internal
    depends_on:
      - discourse
    volumes:
      - 'discourse_data:/bitnami/discourse'
    command: /opt/bitnami/scripts/discourse-sidekiq/run.sh
    secrets:
      - db_password
    environment:
      - ALLOW_EMPTY_PASSWORD=yes
      - DISCOURSE_DATABASE_HOST=db
      - DISCOURSE_DATABASE_NAME=discourse
      - DISCOURSE_DATABASE_PASSWORD_FILE=/run/secrets/db_password
      - DISCOURSE_DATABASE_PORT_NUMBER=5432
      - DISCOURSE_DATABASE_USER=discourse
      - DISCOURSE_HOST=${DOMAIN}
      - DISCOURSE_REDIS_HOST=redis
      - DISCOURSE_REDIS_PORT_NUMBER=6379
      - DISCOURSE_SMTP_HOST
      - DISCOURSE_SMTP_PORT
      - DISCOURSE_SMTP_PROTOCOL
      - DISCOURSE_SMTP_USER
      - PASSENGER_COMPILE_NATIVE_SUPPORT_BINARY=0
      - DISCOURSE_SMTP_AUTH

secrets:
  db_password:
    external: true
    name: ${STACK_NAME}_db_password

volumes:
  postgresql_data:
  redis_data:
  discourse_data:

networks:
  proxy:
    external: true
  internal:

configs:
  db_entrypoint:
    name: ${STACK_NAME}_db_entrypoint
    file: entrypoint.postgres.sh.tmpl
    template_driver: golang