docker inspect 容器名

version: "3"
services:
#halo 配置
  halo:
    image: halohub/halo:2.11
    container_name: halo
    restart: on-failure:3
    depends_on:
      halodb:
        condition: service_healthy
    networks:
      mynetwork: #網(wǎng)絡(luò)名稱
        ipv4_address: 172.10.0.2  ###halo指定網(wǎng)絡(luò)
    volumes:
      - ./halo2:/root/.halo2
    ports:
      - "8090:8090"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8090/actuator/health/readiness"]
      interval: 30s
      timeout: 5s
      retries: 5
      start_period: 30s
    command:
      - --spring.r2dbc.url=r2dbc:pool:mysql://halodb:3306/halo
      - --spring.r2dbc.username=root
      # MySQL 的密碼，請保證與下方 MYSQL_ROOT_PASSWORD 的變量值一致。
      - --spring.r2dbc.password=123456
      - --spring.sql.init.platform=mysql
      # 外部訪問地址，請根據(jù)實(shí)際需要修改
      - --halo.external-url=http://47.98.237.238:8090/
#halo 數(shù)據(jù)庫配置
  halodb:
    image: mysql:8.1.0
    container_name: halodb
    restart: on-failure:3
    networks:
      mynetwork: #網(wǎng)絡(luò)名稱
        ipv4_address: 172.10.0.3 ###mysql指定網(wǎng)絡(luò)
    command: 
      - --default-authentication-plugin=caching_sha2_password
      - --character-set-server=utf8mb4
      - --collation-server=utf8mb4_general_ci
      - --explicit_defaults_for_timestamp=true
    volumes:
      - ./mysql:/var/lib/mysql
      - ./mysqlBackup:/data/mysqlBackup
    ports:
      - "33060:3306"
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "--silent"]
      interval: 3s
      retries: 5
      start_period: 30s
    environment:
      # 請修改此密碼，并對應(yīng)修改上方 Halo 服務(wù)的 SPRING_R2DBC_PASSWORD 變量值
      - MYSQL_ROOT_PASSWORD=123456
      - MYSQL_DATABASE=halo
# 創(chuàng)建網(wǎng)絡(luò)，創(chuàng)建成功后網(wǎng)絡(luò)名稱 halo_mynetwork
# 創(chuàng)建網(wǎng)絡(luò)過程中 會將文件名 halo 作為前綴。
# 如果已經(jīng)有自定義網(wǎng)絡(luò)，就將networks 配置 按照下面nginx 來配置即可。
networks:
  mynetwork: ###網(wǎng)絡(luò)名稱
    driver: bridge ###網(wǎng)絡(luò)模式 橋接
    ipam:
      config:
        - subnet: 172.10.0.0/24
          gateway: 172.10.0.1

docker network ls

version: '3'

services:
    nginx:
        image: nginx     # 鏡像名稱
        container_name: mynginx     # 容器名字
        restart: always     # 開機(jī)自動重啟
        networks:
          halo_mynetwork:
            ipv4_address: 172.10.0.4
        ports:     # 端口號綁定（宿主機(jī):容器內(nèi)）
            - '8080:80'
            - '443:443'
        volumes:      # 目錄映射（宿主機(jī):容器內(nèi)）
            -  /home/docker/nginx/nginx.conf:/etc/nginx/nginx.conf  ###配置文件
            -  /home/docker/nginx/log:/var/log/nginx  ###這里面放置日志
            -  /home/docker/nginx/html:/html  ###這里面放置項(xiàng)目目錄
            -  /home/docker/nginx/conf.d:/etc/nginx/conf.d
#網(wǎng)絡(luò)配置
networks:
    halo_mynetwork: ### 網(wǎng)絡(luò)名稱
        external: true ###外部網(wǎng)絡(luò)

// 是因?yàn)榫W(wǎng)絡(luò)不存在，查看docker-compose.yaml文件中網(wǎng)絡(luò)配置是否正確。
service "nginx" refers to undefined network halo_mynetwork: invalid compose project

// docker-compose.yaml 文件編碼不正確
parsing /home/docker/nginx/docker-compose.yml: yaml: invalid leading UTF-8 octet

// 文件格式化不正確，比如不能使用 tab進(jìn)行縮進(jìn)，采用空格鍵。
parsing /home/docker/nginx/docker-compose.yml: yaml: line 7: found character that cannot start any token