Update CSS optimization (using CDN for bootstrap) and mysql compat

proyecto/settings.py

@@ -118,13 +118,30 @@ WSGI_APPLICATION = 'proyecto.wsgi.application'
 
 # Database
 # https://docs.djangoproject.com/en/6.0/ref/settings/#databases
+# Activa MySQL con MYSQL_ENABLED=True en el .env; si no, se usa SQLite.
 
-DATABASES = {
-    'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+if env_bool('MYSQL_ENABLED', False):
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.mysql',
+            'NAME': os.getenv('MYSQL_DATABASE', 'tienda'),
+            'USER': os.getenv('MYSQL_USER', 'root'),
+            'PASSWORD': os.getenv('MYSQL_PASSWORD', ''),
+            'HOST': os.getenv('MYSQL_HOST', '127.0.0.1'),
+            'PORT': env_int('MYSQL_PORT', 3306),
+            'OPTIONS': {
+                'charset': 'utf8mb4',
+                'init_command': "SET sql_mode='STRICT_TRANS_TABLES'",
+            },
+        }
+    }
+else:
+    DATABASES = {
+        'default': {
+            'ENGINE': 'django.db.backends.sqlite3',
+            'NAME': BASE_DIR / 'db.sqlite3',
+        }
     }
-}
 
 
 # Password validation
@@ -328,14 +345,19 @@ EMAIL_HOST_PASSWORD = SMTP_PASSWORD
 DEFAULT_FROM_EMAIL = os.getenv("DEFAULT_FROM_EMAIL", SMTP_EMAIL)
 
 # URL de Redis (asumiendo que corre en el puerto default 6379)
-CELERY_BROKER_URL = 'redis://localhost:6379/0'
+CELERY_BROKER_URL = os.getenv("REDIS_URL", "redis://localhost:6379/0")
 
 # Opcional: para guardar el resultado de las tareas
-CELERY_RESULT_BACKEND = 'redis://localhost:6379/0'
+CELERY_RESULT_BACKEND = os.getenv("REDIS_URL", "redis://localhost:6379/0")
 
 # Configuraciones adicionales recomendadas
 CELERY_ACCEPT_CONTENT = ['json']
 CELERY_TASK_SERIALIZER = 'json'
 CELERY_RESULT_SERIALIZER = 'json'
 
-SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
+SECURE_PROXY_SSL_HEADER = ("HTTP_X_FORWARDED_PROTO", "https")
+
+USE_X_FORWARDED_HOST = True
+SECURE_REFERER_POLICY = "strict-origin-when-cross-origin"
+
+print(f"DEBUG: ALLOWED_HOSTS is {ALLOWED_HOSTS}")