services:
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB: scha
      POSTGRES_USER: scha
      POSTGRES_PASSWORD: scha
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U scha -d scha"]
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 10s

  web:
    build: .
    ports:
      - "8000:8000"
    # No required env_file — CI has no .env. Defaults below; for local secrets:
    #   docker compose --env-file .env up
    #
    # Do NOT interpolate ${DATABASE_URL} here. On the Act runner / control node that
    # var often points at shared prod/beta Postgres; compose would bake it into
    # containerized tests. Use COMPOSE_DATABASE_URL only if you need to override.
    environment:
      DJANGO_ENV: ${DJANGO_ENV:-dev}
      DJANGO_SECRET_KEY: ${DJANGO_SECRET_KEY:-dev-only-change-me}
      DJANGO_DEBUG: ${DJANGO_DEBUG:-true}
      DJANGO_ALLOWED_HOSTS: ${DJANGO_ALLOWED_HOSTS:-localhost,127.0.0.1,0.0.0.0}
      DATABASE_URL: ${COMPOSE_DATABASE_URL:-postgres://scha:scha@db:5432/scha}
    depends_on:
      db:
        condition: service_healthy

volumes:
  postgres_data: