docker-compose.yml

# Local-development stack: hot-reload Django + Next.js, dev Postgres.
# DO NOT use this in production — runserver isn't a production server, the
# Postgres password is in plaintext, and ports are exposed on the host.
# For VPS deployments use `docker-compose.prod.yml` (gunicorn + Caddy + HTTPS).
services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-hearthline}
      POSTGRES_USER: ${POSTGRES_USER:-hearthline}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-hearthline_dev}
    ports:
      - "5432:5432"
    volumes:
      - hearthline_pg:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-hearthline}"]
      interval: 5s
      timeout: 3s
      retries: 10

  backend:
    build: ./backend
    env_file: .env
    environment:
      POSTGRES_HOST: db
    depends_on:
      db:
        condition: service_healthy
    ports:
      - "8000:8000"
    volumes:
      - ./backend:/app
    command: >
      sh -c "python manage.py migrate --noinput &&
             python manage.py runserver 0.0.0.0:8000"

  frontend:
    build: ./frontend
    env_file: .env
    environment:
      NEXT_PUBLIC_API_URL: http://localhost:8000/api
      INTERNAL_API_URL: http://backend:8000/api
    ports:
      - "3000:3000"
    volumes:
      - ./frontend:/app
      - /app/node_modules
      - /app/.next
    command: npm run dev
    depends_on:
      - backend

  # Public HTTPS tunnel via Cloudflare (zero-signup, free, ephemeral URL).
  #     docker compose --profile tunnel up -d tunnel
  # The public URL is printed in `docker compose logs tunnel`.
  tunnel:
    image: cloudflare/cloudflared:latest
    profiles: ["tunnel"]
    command: tunnel --url http://backend:8000 --no-autoupdate
    depends_on:
      - backend

  # Optional: ngrok (requires NGROK_AUTHTOKEN — sign up at ngrok.com)
  ngrok:
    image: ngrok/ngrok:latest
    profiles: ["ngrok"]
    environment:
      NGROK_AUTHTOKEN: ${NGROK_AUTHTOKEN:-}
    command: http backend:8000 --log=stdout
    ports:
      - "4040:4040"
    depends_on:
      - backend

volumes:
  hearthline_pg: