update to sgeupdated pipeline v21

.gitea/workflows/sgeupdated.yml

@@ -4,8 +4,8 @@ name: sgeUpdated CI/CD
 on:
   push:
     branches:
-      - main   # trigger only when code is merged into main
+      - main
-  workflow_dispatch:   # allow manual trigger
+  workflow_dispatch:
 
 concurrency:
   group: sgeupdated-deploy-${{ github.ref }}
@@ -32,12 +32,19 @@ jobs:
             git fetch origin main
             git reset --hard origin/main
 
+            # Rebuild backend if it has changed
+            if git diff --name-only HEAD~1 HEAD | grep -q "^sge-backend/"; then
               echo "⚡ Rebuilding Backend..."
               cd sge-backend
               /opt/apache-maven-3.9.11/bin/mvn clean install -DskipTests
               cd ..
               docker compose up -d --build backend
+            else
+              echo "✅ Backend unchanged, skipping rebuild."
+            fi
 
+            # Rebuild frontend if it has changed
+            if git diff --name-only HEAD~1 HEAD | grep -q "^sge-frontend/"; then
               echo "⚡ Rebuilding Frontend..."
               cd sge-frontend
               rm -rf node_modules package-lock.json
@@ -46,6 +53,9 @@ jobs:
               npm run build
               cd ..
               docker compose up -d --build frontend
+            else
+              echo "✅ Frontend unchanged, skipping rebuild."
+            fi
 
             echo "✅ Deployment complete. Current containers:"
             docker ps --format 'table {{.Names}}\t{{.Status}}\t{{.Ports}}'