docker-compose.yml

version: "3.8"

# Define all services (containers) that will be run
services:
  # 1. Service for PostgreSQL Database
  db:
    image: postgres:15-alpine # Using the official lightweight PostgreSQL version 15 image.
    container_name: coursify_db
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=20022003
      - POSTGRES_DB=coursify
    ports:
      - "5433:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data # Creating persistent database data
    restart: unless-stopped

  # 2. Service for backend application
  backend:
    container_name: coursify_backend
    # 'build' will tell docker-compose to build the image from the Dockerfile.
    build:
      context: ./backend # The folder location containing the Dockerfile
    ports:
      - "8080:8080"
    env_file:
      - ./backend/.env
    environment:
      - DB_HOST=db
      - DB_PORT=5432
    volumes:
      - ./backend/uploads:/uploads # Synchronizing the local 'uploads' folder with the one in the container
    depends_on:
      - db # Instruct Docker to run the 'db' service first before 'app'
    restart: unless-stopped

  # 3. Service for frontend application
  frontend:
    container_name: coursify_frontend
    build:
      context: ./frontend
    ports:
      - "5173:80" # Access from the browser via localhost:5173, Nginx in the container runs on port 80
    environment:
      - VITE_API_BASE_URL=http://backend:8080/api
    depends_on:
      - backend # Instruct Docker to run the 'app' service first before 'frontend'
    restart: unless-stopped

# Defining the volume to be used for data persistence
volumes:
  postgres_data: