Use direct docker commands in Gitea workflow

.gitea/workflows/build-and-push.yaml

@@ -25,20 +25,19 @@ jobs:
           echo "latest_tag=${REGISTRY}/${IMAGE_NAME}:latest" >> "$GITHUB_OUTPUT"
 
       - name: Login to Gitea registry
-        uses: docker/login-action@v3
-        with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ secrets.REGISTRY_USERNAME }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
+        run: |
+          printf '%s' "${{ secrets.REGISTRY_TOKEN }}" \
+            | docker login "${REGISTRY}" \
+              --username "${{ secrets.REGISTRY_USERNAME }}" \
+              --password-stdin
 
       - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          tags: |
-            ${{ steps.meta.outputs.sha_tag }}
-            ${{ steps.meta.outputs.latest_tag }}
-          labels: |
-            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
-            org.opencontainers.image.revision=${{ github.sha }}
+        run: |
+          docker build \
+            --label "org.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}" \
+            --label "org.opencontainers.image.revision=${GITHUB_SHA}" \
+            --tag "${{ steps.meta.outputs.sha_tag }}" \
+            --tag "${{ steps.meta.outputs.latest_tag }}" \
+            .
+          docker push "${{ steps.meta.outputs.sha_tag }}"
+          docker push "${{ steps.meta.outputs.latest_tag }}"