services:
  pulsenode:
    build: .
    container_name: pulsenode
    restart: unless-stopped
    read_only: true
    tmpfs:
      - /tmp
      - /app/.next/cache
    cap_drop:
      - ALL
    security_opt:
      - no-new-privileges:true
    # The container runs as a non-root user, but /var/run/docker.sock is
    # owned by root:docker on the host - without joining that GID the
    # container gets EACCES connecting to it. Set DOCKER_GID in .env to
    # your host's docker group id (`getent group docker | cut -d: -f3`).
    group_add:
      - "${DOCKER_GID}"
    volumes:
      # Read-only: PulseNode only inspects/lists containers and reads stats,
      # never execs into or writes to them.
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./config:/app/config:ro
    env_file: .env
    networks:
      - compose_network
    labels:
      - traefik.enable=true
      - traefik.docker.network=${NETWORK_NAME}
      - traefik.http.middlewares.pulsenode-redirect-web-secure.redirectscheme.scheme=https
      - traefik.http.routers.pulsenode-web.rule=Host(`${TRAEFIK_HOST}`)
      - traefik.http.routers.pulsenode-web.entrypoints=web
      - traefik.http.routers.pulsenode-web.middlewares=pulsenode-redirect-web-secure
      - traefik.http.routers.pulsenode-web-secure.rule=Host(`${TRAEFIK_HOST}`)
      - traefik.http.routers.pulsenode-web-secure.entrypoints=web-secure
      - traefik.http.routers.pulsenode-web-secure.tls.certresolver=resolver
      - traefik.http.routers.pulsenode-web-secure.middlewares=security-headers@file,no-index@file
      - traefik.http.services.pulsenode-web-secure.loadbalancer.server.port=3000
    healthcheck:
      test: ["CMD", "node", "healthcheck.mjs"]
      interval: 30s
      timeout: 5s
      start_period: 15s
      retries: 3

networks:
  compose_network:
    name: ${NETWORK_NAME}
    external: true