Django options pulled out into configmap; Docker build should now succeed despite no ENV-var with secret

VorgabenUI/settings.py

@@ -21,21 +21,33 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # See https://docs.djangoproject.com/en/5.2/howto/deployment/checklist/
 
 # SECURITY WARNING: don't run with debug turned on in production!
-DEBUG = False
+DEBUG = os.environ.get('DEBUG', 'True').lower() in ('true', '1', 'yes', 'on')
 
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = os.environ.get('VORGABENUI_SECRET')
 if not SECRET_KEY:
-    if DEBUG:
-        # Fixed fallback key for local development only
+    # Check if we're in a build environment (Docker build, CI, etc.)
+    is_build_env = any([
+        os.environ.get('DOCKER_BUILDKIT'),  # Docker build
+        os.environ.get('CI'),               # CI environment
+        os.environ.get('GITHUB_ACTIONS'),   # GitHub Actions
+        os.environ.get('GITEA_ACTIONS'),    # Gitea Actions
+    ])
+    
+    # Use DEBUG environment variable or assume debug mode for local development
+    debug_mode = os.environ.get('DEBUG', 'True').lower() in ('true', '1', 'yes', 'on')
+    
+    if debug_mode or is_build_env:
+        # Fixed fallback key for local development and build environments
         SECRET_KEY = 'dev-fallback-key-for-local-debugging-only-not-for-production-use-12345'
-        import logging
-        logging.warning("🚨 Using fallback SECRET_KEY for local development. This should NEVER happen in production!")
+        if not is_build_env:  # Don't log during build to avoid noise
+            import logging
+            logging.warning("🚨 Using fallback SECRET_KEY for local development. This should NEVER happen in production!")
     else:
         raise ValueError("VORGABENUI_SECRET environment variable is required")
 
 
-ALLOWED_HOSTS = ["10.128.128.144","localhost","127.0.0.1","*"]
+ALLOWED_HOSTS = os.environ.get('DJANGO_ALLOWED_HOSTS', "10.128.128.144,localhost,127.0.0.1,*").split(",")
 
 # Application definition