break changes: change container registry to gitea

.gitea/workflows/ubuntu.yaml

@@ -11,12 +11,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - name: ubuntu:latest
-            dockerfile: ubuntu/Dockerfile
-            tag: ubuntu:latest
           - name: ubuntu:26.04
             dockerfile: ubuntu/Dockerfile
-            tag: ubuntu:26.04
+            tags: gitea.starryskymeow.cn/cn/ubuntu:26.04
 
     name: Build ${{ matrix.name }}
 
@@ -27,13 +24,14 @@ jobs:
       - name: Log in to Docker Hub
         uses: https://gitea.starryskymeow.cn/mirrors/docker-login-action@v4
         with:
-          username: ${{ vars.DOCKER_USERNAME }}
+          registry: gitea.starryskymeow.cn
+          username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Build and push
-        run: |
-          docker build --push \
-            --platform=linux/amd64,linux/arm64 \
-            -f ${{ matrix.dockerfile }} \
-            -t ${{ vars.DOCKER_USERNAME }}/${{ matrix.tag }} \
-            .
+        uses: https://gitea.starryskymeow.cn/mirrors/docker-build-push-action@v7
+        with: 
+          push: true
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          file: ${{ matrix.dockerfile }}
+          tags: ${{ matrix.tags }}