services:
  app:
    image: ghost:6.21.2-alpine
    environment:
      # see https://ghost.org/docs/config/#configuration-options
      database__client: mysql
      database__connection__host: ${STACK_NAME}_db
      database__connection__user: root
      database__connection__database: ghost
      database__connection__password_FILE: /run/secrets/db_password
      database__pool__min: ${DATABASE_POOL_MIN:-0}
      database__pool__max: ${DATABASE_POOL_MAX:-10}
      url: https://$DOMAIN
      mail__transport: ${MAIL_TRANSPORT}
      mail__from: ${MAIL_FROM}
      mail__options__host: ${MAIL_OPTIONS_HOST}
      mail__options__port: ${MAIL_OPTIONS_PORT}
      mail__options__secure: ${MAIL_OPTIONS_SECURE}
      mail__options__auth__user: ${MAIL_OPTIONS_AUTH_USER}
      mail__options__auth__pass_FILE: /run/secrets/smtp_password
      # contrary to the default mentioned in the linked documentation, this image defaults to NODE_ENV=production (so development mode needs to be explicitly specified if desired)
      #NODE_ENV: development
    secrets:
      - db_password
      - smtp_password
    configs:
      - source: ghost_entrypoint
        target: /abra-entrypoint.sh
        mode: 0555
    command: ["node", "current/index.js"]
    entrypoint: /abra-entrypoint.sh
    depends_on:
      - db
    networks:
      - proxy
      - backend
    volumes:
      - "ghost_content:/var/lib/ghost/content/"
    deploy:
      restart_policy:
        condition: on-failure
      labels:
        - "traefik.enable=true"
        - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=2368"
        - "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}"
        # Redirect from EXTRA_DOMAINS to DOMAIN
        - "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
        - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.scheme=https"
        - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.permanent=true"
        - "backupbot.backup=true"
        - "backupbot.backup.path=/var/lib/ghost/content"
        - "coop-cloud.${STACK_NAME}.version=1.1.1+6-alpine"
    healthcheck:
      test: ["CMD", "wget", "--header=X-Forwarded-Proto: https", "--spider", "-q", "http://localhost:2368/ghost/api/admin/site"]
      interval: 30s
      timeout: 10s
      retries: 10
      start_period: 1m
 
  db:
    image: mysql:8.0
    networks:
      - backend
    environment:
      MYSQL_ROOT_PASSWORD_FILE: /run/secrets/db_password
    secrets:
      - db_password
    volumes:
      - "mysql:/var/lib/mysql"
    deploy:
      labels:
        - "backupbot.backup=true"
        - "backupbot.backup.pre-hook=mysqldump -u root -p\"$$(cat /run/secrets/db_password)\" ghost --tab /var/lib/mysql-files/"
        - "backupbot.backup.post-hook=rm -rf /var/lib/mysql-files/*"
        - "backupbot.backup.path=/var/lib/mysql-files/"

    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p\"$$(cat /run/secrets/db_password)\""]
      interval: 30s
      timeout: 10s
      retries: 10
      start_period: 1m

networks:
  proxy:
    external: true
  backend:

volumes:
  mysql:
  ghost_content:

secrets:
  db_password:
    name: ${STACK_NAME}_db_password_${SECRET_DB_PASSWORD_VERSION}
    external: true
  smtp_password:
    external: true
    name: ${STACK_NAME}_smtp_password_${SECRET_SMTP_PASSWORD_VERSION}

configs:
  ghost_entrypoint:
    name: ${STACK_NAME}_ghost_entrypoint_${GHOST_ENTRYPOINT_VERSION}
    file: entrypoint.sh