diff --git a/.gitea/workflows/ci.yml b/.gitea/workflows/ci.yml
index 851598c..27fc3e0 100644
--- a/.gitea/workflows/ci.yml
+++ b/.gitea/workflows/ci.yml
@@ -144,45 +144,35 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Buildx for insecure registry
+      - name: Login to Gitea container registry
         run: |
-          cat > /tmp/buildkitd.toml <<TOML
-          [registry."${{ env.GITEA_REGISTRY }}"]
-            http = true
-            insecure = true
-          TOML
-          docker buildx create --name ci-builder --config /tmp/buildkitd.toml --driver docker-container --use
-          docker buildx inspect --bootstrap
-
-      - name: Configure registry credentials
-        run: |
-          mkdir -p ~/.docker
-          AUTH=$(printf '%s:%s' "${{ env.GITEA_OWNER }}" "${{ secrets.PACKAGES_TOKEN }}" | base64 -w0)
-          printf '{"auths":{"%s":{"auth":"%s"}}}\n' "${{ env.GITEA_REGISTRY }}" "$AUTH" > ~/.docker/config.json
+          echo "${{ secrets.PACKAGES_TOKEN }}" | docker login \
+            --username ${{ env.GITEA_OWNER }} --password-stdin \
+            ${{ env.GITEA_REGISTRY }}
 
       - name: Build & push mcpd
         run: |
-          docker buildx build --push \
-            -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpd:latest \
+          docker build -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpd:latest \
             -f deploy/Dockerfile.mcpd .
+          docker push ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpd:latest
 
       - name: Build & push node-runner
         run: |
-          docker buildx build --push \
-            -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-node-runner:latest \
+          docker build -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-node-runner:latest \
             -f deploy/Dockerfile.node-runner .
+          docker push ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-node-runner:latest
 
       - name: Build & push python-runner
         run: |
-          docker buildx build --push \
-            -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-python-runner:latest \
+          docker build -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-python-runner:latest \
             -f deploy/Dockerfile.python-runner .
+          docker push ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/mcpctl-python-runner:latest
 
       - name: Build & push docmost-mcp
         run: |
-          docker buildx build --push \
-            -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/docmost-mcp:latest \
+          docker build -t ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/docmost-mcp:latest \
             -f deploy/Dockerfile.docmost-mcp .
+          docker push ${{ env.GITEA_REGISTRY }}/${{ env.GITEA_OWNER }}/docmost-mcp:latest
 
       - name: Link packages to repository
         env: