Update github-actions-builddockerfile.yml

.github/workflows/github-actions-builddockerfile.yml

@@ -1,2 +1,23 @@
-- name: Build and push Docker images
+name: ci
-  uses: docker/build-push-action@v5.0.0
+
+on:
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          push: true
+          tags: user/app:latest