Revert "fix comparing main branch with backend"

This reverts commit f0485e0.

.github/workflows/deploy.yml

@@ -4,7 +4,12 @@ on:
   workflow_run:
     workflows: ["CI Pipeline"]
     types:
-      - completed  # Trigger deploy when CI has completed
+      - completed # Trigger deploy when CI has completed
+      #push:
+      #    branches:
+      #- main
+      #    paths:
+      #      - 'backend/**'  # Trigger only on changes in the backend directory
 
 jobs:
   deploy:
@@ -21,16 +26,8 @@ jobs:
       - name: Check for Changes in Backend
         id: check_changes
         run: |
-          git fetch origin main
-          CHANGES=$(git diff --name-only origin/main...${{ github.sha }} | grep -E '^backend/')
-          echo "Changes in backend: $CHANGES"
-          if [ -z "$CHANGES" ]; then
-            echo "No changes detected in the backend directory"
-            echo "changes=no" >> $GITHUB_ENV
-          else
-            echo "Changes detected in the backend directory"
-            echo "changes=yes" >> $GITHUB_ENV
-          fi
+          git diff --exit-code --quiet backend/
+          echo "changes=$(if [ $? -eq 0 ]; then echo 'no'; else echo 'yes'; fi)" >> $GITHUB_ENV
 
       # Skip deploy if no changes in backend
       - name: Skip deploy if no changes in backend