services:
  nats:
    image: nats:2.9.19-alpine
    restart: unless-stopped
    ports:
     - 4222:4222
     - 8222:8222
    volumes:
      - ./nats/nats-server.conf:/nats-server.conf
      - nats-data:/opt/storage
    command: ["-c", "/nats-server.conf"]

    networks:
      - nats

volumes:
  nats-data:
    driver: local

networks:
  nats:
    external: true