docker-compose.yml

version: '3.8'

services:
  # 1. Database
  db:
    image: postgres:15
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: mysecretpassword
      POSTGRES_DB: chat_db
    volumes:
      - postgres_data:/var/lib/postgresql/data
    ports:
      - "5432:5432"

  # 2. Django Backend (Auth)
  backend-django:
    build: ./backend-django
    command: python manage.py runserver 0.0.0.0:8000
    volumes:
      - ./backend-django:/app
    ports:
      - "8000:8000"
    depends_on:
      - db
    # NEW: Shared Secret & DB Config
    environment:
      - DJANGO_SECRET_KEY=my-super-secret-key-123
      - DB_HOST=db
      - DB_NAME=chat_db
      - DB_USER=postgres
      - DB_PASS=mysecretpassword

  # 3. Go Backend (Real-time)
  backend-golang:
    build: ./backend-golang
    environment:
      # Note: 'db' here refers to the service name defined above
      DB_CONN_STRING: postgres://postgres:mysecretpassword@db:5432/chat_db?sslmode=disable
      # NEW: Must match Django's key exactly
      JWT_SECRET: my-super-secret-key-123
    ports:
      - "8080:8080"
    depends_on:
      - db

  # 4. Frontend (Next.js)
  frontend:
    build: ./frontend
    volumes:
      - ./frontend:/app
      - /app/node_modules
    ports:
      - "3000:3000"
    environment:
      - NODE_ENV=development
    depends_on:
      - backend-django
      - backend-golang

volumes:
  postgres_data: