update to sgeupdated pipeline v18

added some feature to avoid failing when nothing is changed

.gitea/workflows/sgeupdated.yml

@@ -5,10 +5,10 @@ on:
   push:
     branches:
       - main   # trigger only when code is merged into main
-  workflow_dispatch:   # ✅ allow manual trigger
+  workflow_dispatch:   # allow manual trigger
 
 concurrency:
-  group: sgeupdated-deploy-${{ github.ref }}   # ✅ prevent overlapping deploys for same branch
+  group: sgeupdated-deploy-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -26,6 +26,7 @@ jobs:
           key: ${{ secrets.SSH_PRIVATE_KEY }}
           script_stop: true
           script: |
+            set -euo pipefail
             cd /home/ubuntu/sgeUpdated
             git fetch origin main
             git reset --hard origin/main
@@ -34,14 +35,19 @@ jobs:
             CHANGED_FILES=$(git diff --name-only HEAD^ HEAD || true)
             echo "Changed files: $CHANGED_FILES"
 
+            # --- Skip deploy if no backend/frontend changes ---
+            if ! echo "$CHANGED_FILES" | grep -E "(^|/)sge-(frontend|backend)/"; then
+              echo "✅ No frontend/backend changes detected. Skipping Docker rebuild."
+              exit 0
+            fi
+
             # --- Backend ---
             if echo "$CHANGED_FILES" | grep -E "(^|/)sge-backend/"; then
               echo "⚙️ Backend changes detected. Rebuilding backend..."
               cd sge-backend
               mvn clean install -DskipTests
               cd ..
-              docker compose build --no-cache backend
-              docker compose up -d --force-recreate backend
+              docker compose up -d --build backend
             else
               echo "✅ No backend changes detected."
             fi
@@ -53,8 +59,7 @@ jobs:
               npm install
               npm run build
               cd ..
-              docker compose build --no-cache frontend
-              docker compose up -d --force-recreate frontend
+              docker compose up -d --build frontend
             else
               echo "✅ No frontend changes detected."
             fi