more cache

Author: mayeut

.github/workflows/ci.yml

@@ -113,6 +113,22 @@ jobs:
           key: buildx-x86_64-bootstrap-${{ github.sha }}
           fail-on-cache-miss: true
 
+      - name: Cache Docker cache mounts
+        if: ${{ github.ref_type != 'tag' }}
+        uses: actions/cache@v5
+        with:
+          path: .cache/buildx-${{ matrix.platform }}-cache-mounts
+          key: buildx-${{ matrix.platform }}-cache-mounts-${{ github.sha }}
+          restore-keys: |
+            buildx-${{ matrix.platform }}-cache-mount
+
+      - name: Restore Docker cache mounts
+        if: ${{ github.ref_type != 'tag' }}
+        uses: reproducible-containers/buildkit-cache-dance@v3
+        with:
+          builder: ${{ steps.setup-buildx.outputs.name }}
+          cache-dir: .cache/buildx-${{ matrix.platform }}-cache-mounts
+
       - name: Build image
         uses: docker/build-push-action@v6
         with: