feat: add Django backend skeleton

backend/azionelab/__init__.py

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+

backend/azionelab/asgi.py

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+import os
+
+from django.core.asgi import get_asgi_application
+
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "azionelab.settings")
+
+application = get_asgi_application()

backend/azionelab/settings.py

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+import os
+from pathlib import Path
+
+import dj_database_url
+from django.core.exceptions import ImproperlyConfigured
+
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+DEBUG = os.environ.get("DJANGO_DEBUG", "false").lower() == "true"
+SECRET_KEY = os.environ.get("DJANGO_SECRET_KEY")
+if not SECRET_KEY:
+    if DEBUG:
+        SECRET_KEY = "insecure-development-key"
+    else:
+        raise ImproperlyConfigured("DJANGO_SECRET_KEY must be set when DJANGO_DEBUG is false.")
+
+
+def csv_env(name, default=""):
+    return [item.strip() for item in os.environ.get(name, default).split(",") if item.strip()]
+
+
+ALLOWED_HOSTS = csv_env("DJANGO_ALLOWED_HOSTS", "localhost,127.0.0.1")
+CSRF_TRUSTED_ORIGINS = csv_env("DJANGO_CSRF_TRUSTED_ORIGINS")
+CORS_ALLOWED_ORIGINS = csv_env("CORS_ALLOWED_ORIGINS")
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "corsheaders",
+    "shows",
+    "bookings",
+    "checkins",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "corsheaders.middleware.CorsMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "azionelab.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "azionelab.wsgi.application"
+
+DATABASES = {
+    "default": dj_database_url.config(
+        default=(
+            f"postgres://{os.environ.get('POSTGRES_USER', 'azionelab')}:"
+            f"{os.environ.get('POSTGRES_PASSWORD', 'azionelab')}"
+            f"@{os.environ.get('POSTGRES_HOST', 'postgres')}:"
+            f"{os.environ.get('POSTGRES_PORT', '5432')}/"
+            f"{os.environ.get('POSTGRES_DB', 'azionelab')}"
+        ),
+        conn_max_age=60,
+    )
+}
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+LANGUAGE_CODE = "en-us"
+TIME_ZONE = os.environ.get("TIME_ZONE", "Europe/Rome")
+USE_I18N = True
+USE_TZ = True
+
+STATIC_URL = "static/"
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
+
+REST_FRAMEWORK = {
+    "DEFAULT_RENDERER_CLASSES": [
+        "rest_framework.renderers.JSONRenderer",
+    ],
+    "DEFAULT_PARSER_CLASSES": [
+        "rest_framework.parsers.JSONParser",
+    ],
+}

backend/azionelab/tests.py

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+from django.test import SimpleTestCase
+from django.urls import reverse
+
+
+class HealthEndpointTests(SimpleTestCase):
+    def test_health_endpoint_returns_ok(self):
+        response = self.client.get(reverse("health"))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {"status": "ok"})

backend/azionelab/urls.py

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+from django.contrib import admin
+from django.urls import path
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+
+
+@api_view(["GET"])
+def health(request):
+    return Response({"status": "ok"})
+
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+    path("api/health/", health, name="health"),
+]

backend/azionelab/wsgi.py

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+import os
+
+from django.core.wsgi import get_wsgi_application
+
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "azionelab.settings")
+
+application = get_wsgi_application()

backend/bookings/__init__.py

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+

backend/bookings/apps.py

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+from django.apps import AppConfig
+
+
+class BookingsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "bookings"

backend/bookings/models.py

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+# Domain models will be added when booking behavior is implemented.

backend/checkins/__init__.py

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+

backend/checkins/apps.py

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+from django.apps import AppConfig
+
+
+class CheckinsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "checkins"

backend/checkins/models.py

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+# Domain models will be added when check-in behavior is implemented.

backend/manage.py

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+#!/usr/bin/env python
+import os
+import sys
+
+
+def main():
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "azionelab.settings")
+    from django.core.management import execute_from_command_line
+
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

backend/shows/__init__.py

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+

backend/shows/apps.py

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+from django.apps import AppConfig
+
+
+class ShowsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "shows"

backend/shows/models.py

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+# Domain models will be added when show management is implemented.