大数据新视界 -- 大数据大厂之经典案例解析：电商企业如何靠 Impala性能优化逆袭（上）（9/30）

docker compose 部署MongoDB单节点

version: '2'

services:
  mongodb:
    image: docker.io/bitnami/mongodb:6.0
    ports:
      - "27017:27017"
    volumes:
      - 'mongodb_data:/bitnami/mongodb'

volumes:
  mongodb_data:
    driver: local

docker compose 部署MongoDB集群

version: '2'

services:
  mongodb-primary:
    image: docker.io/bitnami/mongodb:6.0
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongodb-primary
      - MONGODB_REPLICA_SET_MODE=primary
      - MONGODB_ROOT_PASSWORD=password123
      - MONGODB_REPLICA_SET_KEY=replicasetkey123
    volumes:
      - 'mongodb_master_data:/bitnami/mongodb'

  mongodb-secondary:
    image: docker.io/bitnami/mongodb:6.0
    depends_on:
      - mongodb-primary
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongodb-secondary
      - MONGODB_REPLICA_SET_MODE=secondary
      - MONGODB_INITIAL_PRIMARY_HOST=mongodb-primary
      - MONGODB_INITIAL_PRIMARY_ROOT_PASSWORD=password123
      - MONGODB_REPLICA_SET_KEY=replicasetkey123

  mongodb-arbiter:
    image: docker.io/bitnami/mongodb:6.0
    depends_on:
      - mongodb-primary
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongodb-arbiter
      - MONGODB_REPLICA_SET_MODE=arbiter
      - MONGODB_INITIAL_PRIMARY_HOST=mongodb-primary
      - MONGODB_INITIAL_PRIMARY_ROOT_PASSWORD=password123
      - MONGODB_REPLICA_SET_KEY=replicasetkey123

volumes:
  mongodb_master_data:
    driver: local

环境变量参数

1. MONGODB_EXTRA_FLAGS: mongd命令启动时，追加在命令后的参数， 没有默认值。
2. ALLOW_EMPTY_PASSWORD：允许启动时密码为空。
3. MONGODB_CLIENT_EXTRA_FLAGS: 要附加到用于连接（本地或远程）“mongod”守护进程的“mongo”命令的标志。无默认值。