docker-compose.yml

version: '3.7'

# Define services
services:
  # App backend service
  app-backend:
    # Configuration for building the docker image for the backend service
    build:
      context: back-end # Use an image built from the specified dockerfile in the `polling-app-server` directory.
      dockerfile: Dockerfile
    ports:
      - "8080:8080" # Forward the exposed port 8080 on the container to port 8080 on the host machine
    restart: always
    volumes:
      - /root/app-logs:/logs  # Bind mount host log directory to container's /logs directory
    networks: # Networks to join (Services on the same network can communicate with each other using their name)
      - backend
      - frontend

  # Frontend Service 
  app-frontend:
    build:
      context: front-end # Use an image built from the specified dockerfile in the `polling-app-client` directory.
      dockerfile: Dockerfile
    ports:
      - "3000:3000" # Map the exposed port 80 on the container to port 9090 on the host machine
    restart: always
    depends_on:
      - app-backend
    networks:
      - frontend  

# Networks to be created to facilitate communication between containers
networks:
  backend:
  frontend: