三节点MongoDB副本集

docker-compose.yml

version: '2'
services:
  mongo1:
    image: mongo
    container_name: mongo1
    command: [mongod, --replSet, my-mongo-set, --dbpath, /data/db]
    networks:
      -  mongo-net
  mongo2:
    image: mongo
    container_name: mongo2
    command: [mongod, --replSet, my-mongo-set, --dbpath, /data/db]
    networks:
      -  mongo-net
  mongo3:
    image: mongo
    container_name: mongo3
    command: [mongod, --replSet, my-mongo-set, --dbpath, /data/db]
    networks:
      -  mongo-net
  mongo_rs_config:
    image: mongo
    container_name: mongo_rs_config
    command: [mongo, --host, mongo1, --port, "27017", --eval, "rs.initiate( {\"_id\":\"my-mongo-set\", \"members\":[{\"_id\":0, \"host\":\"mongo1:27017\"}, {\"_id\":1, \"host\":\"mongo2:27017\"}, {\"_id\":2, \"host\":\"mongo3:27017\"}]} )"]
    networks:
      -  mongo-net
      
networks:
    mongo-net:
      driver: bridge