docker-compose.yaml

services:
  ##### FRONTEND (NodeJS React) #####
  frontend:
    container_name: braden-frontend
    tty: true
    restart: on-failure
    build:
      context: .
      dockerfile: ./frontend/Dockerfile
    networks:
      - braden-network
    ports:
      - 8000:8000
    volumes:
      - ./frontend/src:/app/src
    depends_on: # Depends on backend to be running and healthy before starting.
      backend:
        condition: service_healthy

  ##### BACKEND (NodeJS Express API) #####
  backend:
    container_name: braden-backend
    tty: true
    init: true # Properly handles running as PID 1 inside a container. Source: https://github.com/nodejs/docker-node/blob/main/docs/BestPractices.md#handling-kernel-signals
    restart: on-failure
    healthcheck:
      test: ["CMD-SHELL", "node", "/app/healthcheck.js"] # Check health endpoint for healthy service.
      interval: 30s # Perform the health check every 30 seconds.
      timeout: 10s # Consider the health check a failure if it takes more than 10 seconds.
      retries: 5 # Retry the health check up to 5 times before considering the container unhealthy.
    build:
      context: .
      dockerfile: ./backend/Dockerfile
    networks:
      - braden-network
    ports:
      - 8008:8008
    volumes:
      - ./backend:/app
    environment:
      - PORT=8008
      - FRONTEND_URL=http://localhost:8000
      - BACKEND_URL=http://localhost:8008

networks:
  braden-network:
    driver: "bridge" # Internal network that allows containers to communicate with each other.