mongodb-cluster.yaml

version: "3.8"

services:
  mongo1:
    image: mongo:4.2
    container_name: mongo1
    command: ["--replSet", "my-replica-set", "--bind_ip_all", "--port", "40000"]
    volumes:
      - ./data/mongo-1:/data/db
    ports:
      - 40000:40000
    healthcheck:
      test: test $$(echo "rs.initiate({_id:'my-replica-set',members:[{_id:0,host:\"mongo1:40000\"},{_id:1,host:\"mongo2:40001\"},{_id:2,host:\"mongo3:40002\"}]}).ok || rs.status().ok" | mongo --port 40000 --quiet) -eq 1
      interval: 10s
      start_period: 30s

  mongo2:
    image: mongo:4.2
    container_name: mongo2
    command: ["--replSet", "my-replica-set", "--bind_ip_all", "--port", "40001"]
    volumes:
      - ./data/mongo-2:/data/db
    ports:
      - 40001:40001

  mongo3:
    image: mongo:4.2
    container_name: mongo3
    command: ["--replSet", "my-replica-set", "--bind_ip_all", "--port", "40002"]
    volumes:
      - ./data/mongo-3:/data/db
    ports:
      - 40002:40002

networks:
  default:
    name: local-environment
    external: true