docker-compose.yml

version: "3.8"

services:
  mongo1:
    image: mongo:4.2
    container_name: mongo1
    volumes:
      - ~/mongors/data1:/data/db
    ports:
      - 27021:27021
    command: [ "--bind_ip_all", "--replSet", "dbrs", "--port", "27021" ]
    healthcheck:
      test: test $$(echo "rs.initiate({_id:'dbrs',members:[{_id:0,host:\"mongo1:27021\"},{_id:1,host:\"mongo2:27022\"},{_id:2,host:\"mongo3:27023\"}]}).ok || rs.status().ok" | mongo --port 27021 --quiet) -eq 1
      interval: 10s
      start_period: 30s
  mongo2:
    image: mongo:4.2
    container_name: mongo2
    volumes:
      - ~/mongors/data2:/data/db
    ports:
      - 27022:27022
    command: [ "--bind_ip_all", "--replSet", "dbrs", "--port", "27022" ]
  mongo3:
    image: mongo:4.2
    container_name: mongo3
    volumes:
      - ~/mongors/data3:/data/db
    ports:
      - 27023:27023
    command: [ "--bind_ip_all", "--replSet", "dbrs", "--port", "27023" ]