fix(ci): skip outdated production deploys

.github/workflows/ci.yml

@@ -271,8 +271,37 @@ jobs:
     runs-on: ubuntu-latest
     needs: [tests, linter, static-analysis, performance-tests]
     if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+    concurrency:
+      group: production-deploy-main
+      cancel-in-progress: true
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Check if this is the latest main commit
+        id: deploy_guard
+        run: |
+          latest_main_sha=$(git ls-remote origin refs/heads/main | cut -f1)
+
+          echo "Current workflow SHA: ${{ github.sha }}"
+          echo "Latest main SHA: $latest_main_sha"
+
+          if [ -z "$latest_main_sha" ]; then
+            echo "Unable to determine the latest main SHA."
+            exit 1
+          fi
+
+          if [ "$latest_main_sha" != "${{ github.sha }}" ]; then
+            echo "This workflow is not for the latest commit on main. Skipping deploy."
+            echo "should_deploy=false" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+
+          echo "This workflow is for the latest commit on main. Proceeding with deploy."
+          echo "should_deploy=true" >> "$GITHUB_OUTPUT"
+
       - name: Trigger deployment
+        if: steps.deploy_guard.outputs.should_deploy == 'true'
         run: |
           max_attempts=5
           attempt=1
@@ -310,3 +339,7 @@ jobs:
 
           echo "All $max_attempts attempts failed. Giving up."
           exit 1
+
+      - name: Deployment skipped
+        if: steps.deploy_guard.outputs.should_deploy == 'false'
+        run: echo "Skipped deployment because a newer commit is already on main."