Please update properly if you decided to move to v6.

.github/workflows/main.yml

@@ -24,6 +24,12 @@ jobs:
       - name: Run unit tests
         run: dotnet test tests/Guestbooky.UnitTests/Guestbooky.UnitTests.csproj
 
+      - name: Login to DockerHub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_TOKEN }}
+
       - name: Build/push Docker image (main)
         if: github.ref == 'refs/heads/main'
         uses: docker/build-push-action@v6
@@ -31,8 +37,4 @@ jobs:
           context: .
           file: build/guestbooky-be/Dockerfile
           push: true
-          tags: cotti/guestbooky-be:latest
-        env:
-          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-          DOCKER_TOKEN: ${{ secrets.DOCKER_TOKEN }}
+          tags: ${{ secrets.DOCKER_USERNAME }}/guestbooky-be:latest