feat: implement master workflow

.github/workflows/cd.yml

@@ -0,0 +1,72 @@
+name: Continuous Deployment
+
+on:
+  workflow_call:
+
+jobs:
+  deploy-and-verify:
+    name: Deploy and Verify
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435 # v3.11.1
+
+      - name: Build Docker image for deployment
+        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6.18.0
+        with:
+          context: .
+          load: true
+          tags: interview-webapp:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Deploy application (mocked)
+        run: |
+          echo "Starting deployment to production..."
+          echo "Deploying Docker image: interview-webapp:latest"
+
+          # Mock deployment - in real scenario this would be:
+          # - Push to ECR registry
+          # - Deploy to ECS
+          # - Run smoke tests
+
+          docker run -d --name production-app -p 3000:3000 interview-webapp:latest
+
+          echo "Waiting for application to start..."
+          sleep 5
+
+          echo "Running smoke test on /health endpoint..."
+          if curl -f http://localhost:3000/health; then
+            echo "✅ Smoke test passed - deployment successful!"
+          else
+            echo "❌ Smoke test failed - deployment issue detected!"
+            exit 1
+          fi
+
+          echo "✅ Deployment completed successfully!"
+
+      - name: Cleanup on failure
+        if: failure()
+        run: |
+          echo "Cleaning up failed deployment..."
+          docker stop production-app || true
+          docker rm production-app || true
+
+  notify-failure:
+    name: Notify Deployment Failure
+    runs-on: ubuntu-latest
+    needs: [deploy-and-verify]
+    if: failure()
+    steps:
+      - name: Send failure notification (mocked)
+        run: |
+          echo "DEPLOYMENT FAILED!"
+          echo "Repository: ${{ github.repository }}"
+          echo "Commit: ${{ github.sha }}"
+          echo "Author: ${{ github.actor }}"
+          echo "Deploy and verify result: ${{ needs.deploy-and-verify.result }}"
+          echo "Action required: Check workflow logs and fix deployment issue."

.github/workflows/ci.yml

@@ -1,12 +1,7 @@
 name: Continuous Integration
 
 on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
+  workflow_call:
 
 jobs:
   test:
@@ -42,20 +37,4 @@ jobs:
           push: false
           tags: interview-webapp:latest
           cache-from: type=gha
-          cache-to: type=gha,mode=max
-
-  ci-status:
-    name: Validate CI Status
-    runs-on: ubuntu-latest
-    needs: test
-    if: always()
-    steps:
-      - name: Check all jobs succeeded
-        run: |
-          if [ "${{ needs.test.result }}" != "success" ]; then
-            echo "❌ Pipeline failed: One or more jobs did not complete successfully"
-            echo "Test job result: ${{ needs.test.result }}"
-            exit 1
-          else
-            echo "✅ All pipeline steps completed successfully!"
-          fi
+          cache-to: type=gha,mode=max

.github/workflows/master-workflow.yml

@@ -0,0 +1,17 @@
+name: Master Workflow
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  continuous-integration:
+    name: Continuous Integration
+    uses: ./.github/workflows/ci.yml
+
+  continuous-deployment:
+    name: Continuous Deployment
+    uses: ./.github/workflows/cd.yml
+    needs: continuous-integration
+    if: success()

.github/workflows/pr-workflow.yml

@@ -0,0 +1,27 @@
+name: Pull Requests Workflow
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test-and-build:
+    name: Test and Build
+    uses: ./.github/workflows/ci.yml
+
+  ci-status:
+    name: Validate CI Status
+    runs-on: ubuntu-latest
+    needs: test-and-build
+    if: always()
+    steps:
+      - name: Check all jobs succeeded
+        run: |
+          if [ "${{ needs.test-and-build.result }}" != "success" ]; then
+            echo "❌ Pipeline failed: One or more jobs did not complete successfully"
+            echo "Test and Build job result: ${{ needs.test-and-build.result }}"
+            exit 1
+          else
+            echo "✅ All pipeline steps completed successfully!"
+          fi