[docker-compose] Application failed to connect to Nacos server: "nacos:8848"

[geekyouth]

docker-compose-dev.yml

version: "3.8"

networks:
  ruoyi-cloud-dev:
    name: ruoyi-cloud-dev

services:
  mysql57:
    image: mysql:5.7.37
    hostname: mysql57
    container_name: ruoyi-mysql57-dev
    restart: unless-stopped
    ports:
      - "23306:3306"
    volumes:
      - ./mysql/sql/00.reset-password.sql:/tmp/00.reset-password.sql
      - ./mysql/sql/01.init-all-db-user.dev.sql:/docker-entrypoint-initdb.d/01.init-all-db-user.dev.sql
      - ./mysql/sql/02.nacos211-mysql-default.sql:/docker-entrypoint-initdb.d/02.nacos211-mysql-default.sql
      - ./mysql/sql/03.ruoyi_nacos_config.dev.sql:/docker-entrypoint-initdb.d/03.ruoyi_nacos_config.dev.sql
      - ./mysql/sql/04.ruoyi_cloud.sql:/tmp/04.ruoyi_cloud.sql
      - ./mysql/sql/04.ruoyi_cloud_import.dev.sql:/docker-entrypoint-initdb.d/04.ruoyi_cloud_import.dev.sql
      - ./_docker-data/dev/mysql-data/:/var/lib/mysql/
      - ./_docker-data/dev/mysql-log/:/var/log/mysql/
    environment:
      TZ: Asia/Shanghai
      MYSQL_ROOT_PASSWORD: dev-mysql57-pass
      MYSQL_USER: demo
      MYSQL_PASSWORD: demo
      MYSQL_DATABASE: demo
    command: [
      'mysqld',
      '--character-set-server=utf8mb4',
      '--collation-server=utf8mb4_unicode_ci',
      '--default-time-zone=+8:00',
      '--lower-case-table-names=1'
    ]
    healthcheck:
      test: [ "CMD-SHELL", "mysql -e 'select 1 from nacos_config.users' -unacos_config -pnacos_config" ]
      interval: 10s
      timeout: 2s
      retries: 10
      start_period: 10s
    networks:
      ruoyi-cloud-dev:

  redis:
    image: redis/redis-stack:6.2.6-v7
    hostname: redis
    container_name: ruoyi-redis-dev
    restart: unless-stopped
    ports:
      - "26379:6379"
      - "28001:8001"
    environment:
      TZ: Asia/Shanghai
      REDIS_ARGS: "--requirepass redis_pass"
    healthcheck:
      test: [ "CMD-SHELL", "redis-cli ping" ]
      interval: 10s
      timeout: 2s
      retries: 10
      start_period: 3s
    networks:
      ruoyi-cloud-dev:

  sentinel:
    image: sentinel:dev-1.6.3
    hostname: sentinel
    container_name: ruoyi-sentinel-dev
    environment:
      TZ: Asia/Shanghai
      JAVA_OPTS: "-Dserver.port=8718 -Dcsp.sentinel.dashboard.server=localhost:8718 -Dsentinel.dashboard.auth.username=sentinel -Dsentinel.dashboard.auth.password=sentinel -Djava.security.egd=file:/dev/./urandom -Dcsp.sentinel.api.port=8719"
    ports:
      - "28718:8718"
      - "28719:8719"
    restart: unless-stopped
    volumes:
      - ./_docker-data/dev/sentinel-logs/:/root/logs
    healthcheck:
      test: [ "CMD-SHELL", "curl -f http://localhost:8718" ]
      interval: 10s
      timeout: 2s
      retries: 10
      start_period: 3s
    networks:
      ruoyi-cloud-dev:

  # WEB 服务
  nacos:
    image: nacos/nacos-server:v2.1.1
    hostname: nacos
    container_name: ruoyi-nacos-dev
    restart: unless-stopped
    environment:
      TZ: Asia/Shanghai
      PREFER_HOST_MODE: hostname
      # PREFER_HOST_MODE: ip
      MODE: standalone
      SPRING_DATASOURCE_PLATFORM: mysql
      MYSQL_SERVICE_HOST: mysql57
      MYSQL_SERVICE_PORT: 3306
      MYSQL_SERVICE_DB_NAME: nacos_config
      MYSQL_SERVICE_USER: nacos_config
      MYSQL_SERVICE_PASSWORD: nacos_config
      MYSQL_SERVICE_DB_PARAM: characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=Asia/Shanghai
    volumes:
      - ./_docker-data/dev/nacos-logs/:/home/nacos/logs/
    ports:
      - "28848:8848"
      - "29848:9848"
      - "29555:9555"
    depends_on:
      mysql57:
        condition: service_healthy
    healthcheck:
      test: [ "CMD-SHELL", "curl -f http://localhost:8848/nacos" ]
      timeout: 2s
      interval: 10s
      retries: 5
      start_period: 30s
    networks:
      ruoyi-cloud-dev:

  # 首次 up 可能提示连不上 localhost:6379，重启本服务即可
  ruoyi-gateway:
    build:
      context: .
      dockerfile: ruoyi-gateway/Dockerfile
    image: ruoyi-gateway:dev-v0.6.0-20230819
    hostname: gateway
    container_name: ruoyi-gateway-dev
    restart: unless-stopped
    ports:
      - "28080:8080"
    environment:
      ARGS: "--spring.profiles.active=dev"
      JAVA_OPTS: "-Xms128m -Xmx128m -Djava.security.egd=file:/dev/./urandom"
    volumes:
      - ./_docker-data/dev/ruoyi-gateway-logs/:/opt/logs/
    depends_on:
      nacos:
        condition: service_healthy
      sentinel:
        condition: service_healthy
      redis:
        condition: service_started
    healthcheck: # TODO BUG
      test: [ "CMD-SHELL", "curl -f localhost:8080/doc.html" ]
      interval: 10s
      timeout: 5s
      retries: 10
      start_period: 15s
    networks:
      ruoyi-cloud-dev:

docker compose -f docker-compose-dev.yml up -d mysql57 redis sentinel

....
等待 mysql 导入 sql 完毕

docker compose -f docker-compose-dev.yml up -d nacos
...
docker compose -f docker-compose-dev.yml up -d ruoyi-gateway

然后 gateway 报错：

Application failed to connect to Nacos server: "nacos:8848"

但是 从宿主机上的浏览器打开映射出来的 28848:8848 ---> 127.0.0.1:28848/nacos 是可以访问的