compose.example.yaml

services:
  # Sample web app
  webapp:
    image: registry.digitalocean.com/your-registry/webapp:latest
    restart: always
    ports:
      - "80:8080"
    environment:
      - NODE_ENV=production
    networks:
      - app_network

  # Sample API service
  api:
    image: registry.digitalocean.com/your-registry/api:latest
    restart: always
    environment:
      - DATABASE_URL=postgres://user:password@db:5432/dbname
    networks:
      - app_network
      - db_network
    depends_on:
      - db

  # Sample database
  db:
    image: postgres:14-alpine
    restart: always
    volumes:
      - db_data:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=password
      - POSTGRES_DB=dbname
    networks:
      - db_network

  # Self-updating DOSync service
  # This container will check for updates to other services and update the docker-compose file
  dosync:
    container_name: dosync
    image: localrivet/dosync:latest
    # Or build from local source:
    # build: .
    restart: unless-stopped
    volumes:
      # Mount the Docker socket to allow controlling the Docker daemon
      - /var/run/docker.sock:/var/run/docker.sock
      # Mount the actual docker-compose.yml file that's being used to run the stack
      - ./docker-compose.yml:/app/docker-compose.yml
      # Mount a directory for backups
      - ./backups:/app/backups
    environment:
      # Your DigitalOcean API token
      - DO_TOKEN=${DO_TOKEN}
      # Interval between checks (default: 1 minute)
      - CHECK_INTERVAL=1m
      # Enable verbose logging
      - VERBOSE=--verbose
    networks:
      - app_network

networks:
  app_network:
    name: app_network
  db_network:
    name: db_network
    internal: true

volumes:
  db_data: