# 檢查 Docker 服務(wù)狀態(tài)
sudo service docker status

# 確認(rèn) Docker 已安裝
docker --version

# 拉取最新官方鏡像
docker pull mongo

# 拉取指定版本（如 7.0.14）
docker pull mongo:7.0.14

docker run -d --name mongodb -p 27017:27017 mongo

# 進(jìn)入容器交互式 Shell
docker exec -it mongodb mongosh

# 創(chuàng)建宿主機(jī)數(shù)據(jù)目錄
mkdir -p /data/mongodb

# 啟動(dòng)容器并掛載目錄
docker run -d --name mongodb \
  -p 27017:27017 \
  -v /data/mongodb:/data/db \
  mongo

# 創(chuàng)建命名卷
docker volume create mongodb_data

# 掛載卷啟動(dòng)容器
docker run -d --name mongodb \
  -p 27017:27017 \
  -v mongodb_data:/data/db \
  mongo

docker run -d --name mongodb \
  -p 27017:27017 \
  -v mongodb_data:/data/db \
  -e MONGO_INITDB_ROOT_USERNAME=admin \
  -e MONGO_INITDB_ROOT_PASSWORD=your_secure_password \
  mongo

# 使用管理員憑證連接
docker exec -it mongodb mongosh -u admin -p your_secure_password --authenticationDatabase admin

# 切換至測(cè)試庫(kù)
use test
# 嘗試寫(xiě)入 - 應(yīng)報(bào)錯(cuò) "not authorized"（普通用戶無(wú)權(quán)限）
db.test.insertOne({x:1})

version: '3.8'
services:
  mongodb:
    image: mongo:7.0.14
    container_name: mongodb
    restart: always
    environment:
      MONGO_INITDB_ROOT_USERNAME: admin
      MONGO_INITDB_ROOT_PASSWORD: your_secure_password
      MONGO_INITDB_DATABASE: app_db
      TZ: Asia/Shanghai
    ports:
      - "27017:27017"
    volumes:
      - mongodb_data:/data/db
      - ./init-mongo.js:/docker-entrypoint-initdb.d/init-mongo.js:ro
    networks:
      - mongodb_network
    healthcheck:
      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
      interval: 10s
      timeout: 5s
      retries: 5
  mongo-express:
    image: mongo-express:latest
    container_name: mongo-express
    restart: always
    environment:
      ME_CONFIG_MONGODB_ADMINUSERNAME: admin
      ME_CONFIG_MONGODB_ADMINPASSWORD: your_secure_password
      ME_CONFIG_MONGODB_SERVER: mongodb
    ports:
      - "8081:8081"
    depends_on:
      - mongodb
    networks:
      - mongodb_network
networks:
  mongodb_network:
    driver: bridge
volumes:
  mongodb_data:

// init-mongo.js
db = db.getSiblingDB('app_db');
db.createUser({
  user: 'app_user',
  pwd: 'app_user_password',
  roles: [{ role: 'readWrite', db: 'app_db' }]
});
// 可選：創(chuàng)建集合或索引
db.createCollection('users');

# 后臺(tái)啟動(dòng)所有服務(wù)
docker-compose up -d

# 查看服務(wù)狀態(tài)
docker-compose ps

# 查看實(shí)時(shí)日志
docker-compose logs -f mongodb

docker run -d --name mongodb \
  -m 4g \                           # 限制容器最大內(nèi)存 4GB
  --memory-swap 4g \                # 禁用 swap（可選）
  -v mongodb_data:/data/db \
  mongo --wiredTigerCacheSizeGB 2   # 限制 WT 緩存為 2GB

services:
  mongodb:
    image: mongo:7.0.14
    deploy:
      resources:
        limits:
          memory: 4G
    command: ["--wiredTigerCacheSizeGB", "2"]

services:
  mongodb:
    image: mongo:7.0.14
    healthcheck:
      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
      interval: 10s
      timeout: 5s
      retries: 5
  myapp:
    image: myapp:latest
    depends_on:
      mongodb:
        condition: service_healthy   # 等待 MongoDB 健康后再啟動(dòng)

# 進(jìn)入容器執(zhí)行備份
docker exec mongodb mongodump --out /data/db/backup

# 將備份文件復(fù)制到宿主機(jī)
docker cp mongodb:/data/db/backup ./mongodb_backup

# 將備份文件復(fù)制到容器
docker cp ./mongodb_backup mongodb:/data/db/backup

# 進(jìn)入容器執(zhí)行恢復(fù)
docker exec mongodb mongorestore /data/db/backup

version: '3.8'
services:
  mongo-primary:
    image: mongo:7.0
    container_name: mongo-primary
    command: ["--replSet", "rs0", "--bind_ip_all"]
    ports:
      - "27017:27017"
    volumes:
      - mongo_primary_data:/data/db
    networks:
      - mongo_cluster
  mongo-secondary-1:
    image: mongo:7.0
    container_name: mongo-secondary-1
    command: ["--replSet", "rs0", "--bind_ip_all"]
    ports:
      - "27018:27017"
    volumes:
      - mongo_secondary1_data:/data/db
    networks:
      - mongo_cluster
    depends_on:
      - mongo-primary
  mongo-secondary-2:
    image: mongo:7.0
    container_name: mongo-secondary-2
    command: ["--replSet", "rs0", "--bind_ip_all"]
    ports:
      - "27019:27017"]
    volumes:
      - mongo_secondary2_data:/data/db
    networks:
      - mongo_cluster
    depends_on:
      - mongo-primary
networks:
  mongo_cluster:
    driver: bridge
volumes:
  mongo_primary_data:
  mongo_secondary1_data:
  mongo_secondary2_data:

# 進(jìn)入主節(jié)點(diǎn)容器
docker exec -it mongo-primary mongosh

# 在 MongoDB Shell 中執(zhí)行
rs.initiate({
  _id: "rs0",
  members: [
    { _id: 0, host: "mongo-primary:27017" },
    { _id: 1, host: "mongo-secondary-1:27017" },
    { _id: 2, host: "mongo-secondary-2:27017" }
  ]
})