added cicd workflow

.github/workflows/ci/ci-cd.yml

@@ -0,0 +1,39 @@
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push-frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build & push frontend Docker image
+        uses: mr-smithers-excellent/docker-build-push@v6
+        with:
+          image: saurabhkr952/book-store-mern
+          tags: frontend-${{ github.sha }}
+          registry: docker.io
+          dockerfile: frontend/Dockerfile
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+  build-and-push-backend:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Build & push backend Docker image
+        uses: mr-smithers-excellent/docker-build-push@v6
+        with:
+          image: saurabhkr952/dev-portfolio-backend
+          tags: backend-${{ github.sha }}
+          registry: docker.io
+          dockerfile: backend/Dockerfile
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}