docker-compose.yml

version: '2'
services:

  ## Config Servers
  config01:
    image: mongo:4.2
    command: mongod --port 27017 --configsvr --replSet configserver --oplogSize 16
    ports:
      - "26050:27017"    
    volumes:
      - ./mongodb-data-configSrv1:/data/db
  config02:
    image: mongo:4.2
    command: mongod --port 27017 --configsvr --replSet configserver --oplogSize 16
    ports:
      - "26051:27017"      
    volumes:
      - ./mongodb-data-configSrv2:/data/db
  config03:
    image: mongo:4.2
    command: mongod --port 27017 --configsvr --replSet configserver --oplogSize 16
    ports:
      - "26052:27017"      
    volumes:
      - ./mongodb-data-configSrv3:/data/db

  ## Shards
  shard01a:
    image: mongo:4.2
    command: mongod --port 27018 --shardsvr --replSet shard01 --oplogSize 16
    ports:
      - "31001:27018"      
    volumes:
      - ./mongodb-data-shard01a:/data/db
  shard01b:
    image: mongo:4.2
    command: mongod --port 27018 --shardsvr --replSet shard01 --oplogSize 16
    ports:
      - "31002:27018"       
    volumes:
      - ./mongodb-data-shard01b:/data/db
  shard02a:
    image: mongo:4.2
    command: mongod --port 27019 --shardsvr --replSet shard02 --oplogSize 16
    ports:
      - "31003:27019"      
    volumes:
      - ./mongodb-data-shard02a:/data/db
  shard02b:
    image: mongo:4.2
    command: mongod --port 27019 --shardsvr --replSet shard02 --oplogSize 16
    ports:
      - "31004:27019"      
    volumes:
      - ./mongodb-data-shard02b:/data/db
  shard03a:
    image: mongo:4.2
    command: mongod --port 27020 --shardsvr --replSet shard03 --oplogSize 16
    ports:
      - "31005:27020"      
    volumes:
      - ./mongodb-data-shard03a:/data/db
  shard03b:
    image: mongo:4.2
    command: mongod --port 27020 --shardsvr --replSet shard03 --oplogSize 16
    ports:
      - "31006:27020"      
    volumes:
      - ./mongodb-data-shard03b:/data/db

  ## Router
  router:
    image: mongo:4.2
    command: mongos --port 27017 --configdb configserver/config01:27017,config02:27017,config03:27017 --bind_ip_all
    ports:
      - "27017:27017"
    depends_on:
      - config01
      - config02
      - config03
      - shard01a
      - shard01b
      - shard02a
      - shard02b
      - shard03a
      - shard03b