services:
  portainer:
    image: portainer/portainer-ce:lts
    container_name: portainer
    command: --http-enabled
    restart: unless-stopped
    volumes:
      # Mount the Docker socket to allow Portainer to manage Docker
      - /var/run/docker.sock:/var/run/docker.sock
      # Persist Portainer data
      - portainer_data:/data
    networks:
      # Connect to Caddy's external network
      - caddynet
      - portainer_network

volumes:
  portainer_data:

networks:
  portainer_network:
  caddynet:
    # This specifies that 'caddynet' is a pre-existing network
    external: true