MongoDB Replica Set

docker-compose.yml

version: "3"

services:
  mongo1:
    container_name: mongo_master
    image: mongo
    command: --replSet rs0
    ports:
      - "30001:27017"
  mongo2:
    image: mongo
    command: --replSet rs0
    ports:
      - "30002:27017"
  mongo3:
    image: mongo
    command: --replSet rs0
    ports:
      - "30003:27017"

Makefile

MONGO_SCRIPT := $(shell cat ./rs_config)

start-mongo-rs:
	@echo "Starting MongoDB Replica Set (localhost:30001)"
	@docker-compose -f ./mongo_rs/docker-compose.yml up -d
	@echo Wait...
	@sleep 15
	@docker exec -it mongo_master mongo --eval "$(MONGO_SCRIPT)"
	@docker exec -it mongo_master mongo --eval "rs.status()"

rs_config

var cfg={_id:\"rs0\",protocolVersion:1,members:[{_id:0,host:\"mongo1:27017\"},{_id:1,host:\"mongo2:27017\"},{_id:2,host:\"mongo3:27017\"}]};rs.initiate(cfg);rs.reconfig(cfg);