add deploy workflow

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Build and push on Docker Hub
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    stpeps:
+      - name: check Out Repo
+        uses: actions/checkout@v4
+
+      - name: login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build Docker Image
+        run: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./docker/Dockerfile.user
+          push: true
+          tags: ${{ secrets.DOCKER_USERNAME }}/rapid-deploy:latest