Fix docker build

.gitea/workflows/build.yaml

@@ -4,22 +4,21 @@ on:
     branches:
       - main
 jobs:
-  build-and-push:
+  docker:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Log in to Harbor Registry
-        run: echo "${{ secrets.HARBOR_SECRET }}" | docker login registry.zhbase.ch -u "${{ secrets.HARBOR_USERNAME }}" --password-stdin
-
-      - name: Build Docker Image
-        run: |
-          docker build -t registry.zhbase.ch/zhbase/web:latest .
-
-      - name: Push Docker Image
-        run: |
-          docker push registry.zhbase.ch/zhbase/web:latest
-
-      - name: Log out from Harbor Registry
-        run: docker logout registry.zhbase.ch
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          registry: registry.zhbase.ch
+          username: ${{ vars.HARBOR_USERNAME }}
+          password: ${{ secrets.HARBOR_SECRET }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: zhbase/web:latest