Build and configure a replica set environment with MongoDB

1_docker-mongodb-replica-set.yml

version: '2'

services:
  shard00_rs0_mongod:
    image: mongo
    restart: always
    container_name: shard00_rs0_mongod
    volumes:
      - shard00_rs0_data:/data/db
    networks:
      - shard00
    command: --replSet "shard00ReplSet" --smallfiles --oplogSize 128 --rest
  shard00_rs1_mongod:
    image: mongo
    restart: always
    container_name: shard00_rs1_mongod
    volumes:
      - shard00_rs1_data:/data/db
    networks:
      - shard00
    command: --replSet "shard00ReplSet" --smallfiles --oplogSize 128 --rest
  shard00_rs2_mongod:
    image: mongo
    restart: always
    container_name: shard00_rs2_mongod
    networks:
      - shard00
    volumes:
      - shard00_rs2_data:/data/db
    command: --replSet "shard00ReplSet" --smallfiles --oplogSize 128 --rest

networks:
  shard00:
    driver: bridge

volumes:
  shard00_rs0_data:
  shard00_rs1_data:
  shard00_rs2_data:

2_docker_commands.sh

# Move to the docker-compose's directory
cd /path/to/docker-compose.yml

# Start services, create networks and volumes
docker-compose up -d

# Stop and delete services and drop networks
docker-compose down

# Stop and delete services, drop networks and volumes
docker-compose down -v

echo "Enjoy it :-)"

3_go_into_some_service.sh

# Open a mongo shell and copy/past the rs_initiate script
docker run -it --rm --net shard00_shard00 --name mongo-shell mongo sh -c 'exec mongo "shard00_rs1_mongod:27017/test"'

4_rs_initiate.js

rs.initiate(
   {
      "_id": "shard00ReplSet",
      "version": 1,
      "members": [
         { "_id": 0, "host" : "shard00_rs0_mongod:27017" },
         { "_id": 1, "host" : "shard00_rs1_mongod:27017" },
         { "_id": 2, "host" : "shard00_rs2_mongod:27017", "arbiterOnly": true }
      ]
   }
)