Cache docker layers

.gitea/workflows/build.yaml

@@ -31,6 +31,14 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Cache Docker layers
+        uses: actions/cache@v4
+        with:
+          path: ${{ runner.temp }}/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
       - name: Install kustomize
         run: |
           curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"  | bash
@@ -51,6 +59,16 @@ jobs:
             type=semver,pattern=v{{version}}
             type=semver,pattern=v{{major}}.{{minor}}
             type=semver,pattern=v{{major}}
+          cache-from: type=local,src=${{ runner.temp }}/.buildx-cache
+          cache-to: type=local,dest=${{ runner.temp }}/.buildx-cache-new,mode=max
+
+      - # Temp fix
+        # https://github.com/docker/build-push-action/issues/252
+        # https://github.com/moby/buildkit/issues/1896
+        name: Move cache
+        run: |
+          rm -rf ${{ runner.temp }}/.buildx-cache
+          mv ${{ runner.temp }}/.buildx-cache-new ${{ runner.temp }}/.buildx-cache
 
       - name: Build and export to docker
         id: build