version: '3.8'

networks:
  default:
    name: ${NAMESPACE}
    external: true
services:
  server:
    hostname: ${NAMESPACE}_nacos_server
    image: nacos/nacos-server:${NACOS_VERSION}
    environment:
      - PREFER_HOST_MODE=hostname
      - NACOS_SERVER_IP=${NACOS_SERVER_IP}
      - MODE=standalone
      - NACOS_AUTH_ENABLE=true
      - NACOS_AUTH_IDENTITY_KEY=bndmsdsad
      - NACOS_AUTH_IDENTITY_VALUE=wepqweq#dasld
      - NACOS_AUTH_TOKEN=SecretKey012345678901234567890123456587012345678901234567890123456789
    ports:
      - target: 8848
        published: ${NODE_PORT}
        protocol: tcp
        mode: host  # 解析：默认是ingress就是通过swarm的负载均衡模式，无论通过集群节点的映射端口都能访问到业务容器，此种方式类似于k8s的NodePort的svc服务暴露方式，而host则属于，业务容器运行在哪个节点，则就通过节点地址+映射端口访问对应的业务容器。
      - target: 9848
        published: ${NODE_PORT_2}
        protocol: tcp
        mode: host 
    volumes:
      - data_server:/home/nacos/
    deploy:
      update_config:
        order: stop-first
      placement:
        constraints:
          - node.labels.${NAMESPACE}_nacos_server==1
volumes:
  data_server:
    driver: local