docker-compose.yml

version: "3" #optional
services:
  # mongo database is only needed if your project use local mongodb driver
  # if you use mongo atlas, remove this service from docker compose file
  database:
    image: mongo
    volumes:
      - mongo-db:/data/db
      # create a docker volume called mongo-db and attach to mongo database storage
    ports:
      - "27017:27017"
  backend:
    build:
      context: ./api
      dockerfile: Dockerfile
    ports:
      - "8080:8080"
    volumes:
      - ./api/src:/api/src
      #- In Dockerfile of api folder, we specify the WORKDIR as /api
      #- Use bind mount as volume for the backend. "./api(src" represent the current
      # src directory in your local machine, so any changes we made in local project will be mounted 
      # into the container, without re-building the image
    depends_on:
      - database
  frontend:
    build:
      context: ./client
      dockerfile: Dockerfile
    volumes:
      - ./client/src:/app/src
      # Use bind mount as the volume for frontend
    ports:
      - "3000:3000"
    depends_on:
      - backend # tell frontend service to be built only after backend service is sucessfully buit
volumes:
  #if there is no need of mongo, then remove this mongo-db volume
  mongo-db:
    driver: local