fix: Verbessere Staging Deployment - Code-Synchronisation

- Aktualisiere docker-compose.yml immer aus Repository
- Starte staging-app Container neu für Git-Pull
- Unterstütze mehrere Image-URL-Formate in sed-Replacements
- Füge Wartezeiten für Git-Sync hinzu
- Behebt Problem, dass Code nicht synchronisiert wurde

.gitea/workflows/build-image.yml

@@ -881,6 +881,13 @@ jobs:
             }
             
             echo "⏳ Waiting for services to start..."
+            sleep 15
+            
+            # Force containers to pull latest code by restarting staging-app
+            echo "🔄 Restarting staging-app to pull latest code from Git..."
+            docker compose restart staging-app || echo "⚠️  Failed to restart staging-app"
+            
+            echo "⏳ Waiting for Git sync to complete..."
             sleep 10
             
             echo "📊 Container status:"

.gitea/workflows/deploy-staging.yml

@@ -161,6 +161,13 @@ jobs:
             }
             
             echo "⏳ Waiting for services to start..."
+            sleep 15
+            
+            # Force containers to pull latest code by restarting staging-app
+            echo "🔄 Restarting staging-app to pull latest code from Git..."
+            docker compose restart staging-app || echo "⚠️  Failed to restart staging-app"
+            
+            echo "⏳ Waiting for Git sync to complete..."
             sleep 10
             
             echo "📊 Container status:"