docker-compose.yaml

version: "3"

services:
  mongo-1:
    image: mongo:5.0
    ports:
      - "27017:27017"
    container_name: mongo-1
    hostname: mongo-1
    networks: 
      - mongo_cluster
    command: mongod --replSet rs0

  mongo-2:
    image: mongo:5.0
    ports:
      - "27018:27017"
    container_name: mongo-2
    hostname: mongo-2
    networks: 
      - mongo_cluster
    command: mongod --replSet rs0
    depends_on:
      - mongo-1

  mongo-3:
    image: mongo:5.0
    ports:
      - "27019:27017"
    container_name: mongo-3
    hostname: mongo-3
    networks: 
      - mongo_cluster
    command: mongod --replSet rs0
    depends_on:
      - mongo-2  

  mongosetup:
    image: mongo:5.0
    networks:
    - mongo_cluster
    volumes:
    - ./scripts:/scripts
    command: bash -c "chmod +x /scripts/setup.sh && /scripts/setup.sh"

networks: 
  mongo_cluster:
    driver: bridge