feat: enhance CI/CD workflow with Docker caching and Slack notifications on failure

Author: dheereshag

.github/workflows/ci-cd.yml

@@ -74,6 +74,9 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
+          # Added Docker caching for faster builds
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
       - name: Deployment notification
         run: |
@@ -85,6 +88,8 @@ jobs:
           } >> "$GITHUB_STEP_SUMMARY"
 
       - name: Slack notification
+        # Added if: always() to ensure notifications are sent on failure as well
+        if: always()
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
           STATUS: ${{ job.status }}
@@ -98,4 +103,4 @@ jobs:
           fi
           curl -sS -X POST -H "Content-Type: application/json" \
             --data "{\"text\":\":rocket: CI/CD ${STATUS}\nRepo: ${{ github.repository }}\nImage: ${IMAGE}\nCommit: ${SHA}\nRun: ${RUN_URL}\"}" \
-            "$SLACK_WEBHOOK_URL"
+            "$SLACK_WEBHOOK_URL"