Workflow docker push

.github/workflows/main.yml

@@ -42,4 +42,30 @@ jobs:
         POSTGRES_DB: django_db        
         DB_HOST: 127.0.0.1
         DB_PORT: 5432
-      run: python -m flake8 backend/ 
+      run: |
+        python -m flake8 backend/
+  
+  build_and_push_to_docker_hub:
+    name: Push Docker image to DockerHub
+    runs-on: ubuntu-latest
+    needs: tests
+    steps:
+
+      - name: Check out the repo
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker 
+        uses: docker/login-action@v2
+        with:
+          username: ${{ DOCKER_USERNAME }}
+          password: ${{ DOCKER_PASSWORD }}
+
+      - name: Push to DockerHub
+        uses: docker/build-push-action@v4
+        with:
+          context: ./backend/
+          push: true
+          tags: ваш-логин-на-docker-hub/taski_backend:latest