Build and deploy backend with unique image tagging using commit SHA

.github/workflows/dev_syncrow(dev).yml

@@ -11,7 +11,7 @@ env:
   AZURE_WEB_APP_SLOT_NAME: 'dev'
   ACR_REGISTRY: 'syncrow.azurecr.io'
   IMAGE_NAME: 'backend' 
-  IMAGE_TAG: 'latest'
+  IMAGE_TAG: '${{ github.sha }}' # Use commit SHA for unique tagging
 
 jobs:
   build_and_deploy:
@@ -25,10 +25,13 @@ jobs:
         with:
           node-version: '20'
 
-      - name: Install dependencies and build project
+      - name: Clear npm cache and install dependencies
         run: |
+          npm cache clean --force
           npm install
-          npm run build
+
+      - name: Build project
+        run: npm run build
 
       - name: Log in to Azure
         uses: azure/login@v1
@@ -52,4 +55,7 @@ jobs:
           --name ${{ env.AZURE_WEB_APP_NAME }} \
           --resource-group backend \
           --docker-custom-image-name ${{ env.ACR_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.IMAGE_TAG }} \
-          --docker-registry-server-url https://${{ env.ACR_REGISTRY }}
+          --docker-registry-server-url https://${{ env.ACR_REGISTRY }}
+
+      - name: Restart Web App
+        run: az webapp restart --name ${{ env.AZURE_WEB_APP_NAME }} --resource-group backend