buildx driver docker

.github/workflows/test.yml

@@ -11,6 +11,18 @@ jobs:
       packages: "write"
     steps:
       - uses: actions/checkout@v4
+      - name: Set up Docker
+        # We enable the containerd image store, so the buildx driver of type docker can cache-export build layers.
+        # The driver docker-container has many cache misses, as it stores its state in an ephemeral docker volume.
+        # This state is only populated after the first build, but the docker build layer cache depends on it.
+        uses: docker/setup-docker-action@v4
+        with:
+          daemon-config: |
+            {
+              "features": {
+                "containerd-snapshotter": true
+              }
+            }
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
@@ -26,13 +38,14 @@ jobs:
       - name: Set up persistent Buildx builder
         id: buildx
         uses: docker/setup-buildx-action@v3
+        with:
+          driver: docker
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - run: ls -la
       - name: Build
         uses: docker/bake-action@v6
         env:
@@ -45,5 +58,3 @@ jobs:
           files: |
             docker-bake.hcl
             docker-bake-ci.hcl
-      - run: ls -la
-        if: always()