diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 87d97a1..830239a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,6 +1,10 @@
+# Stage Docker images through GitHub Actions (GHA) to GitHub Container Registry (GHCR).
+#
+# Derived from:
 # https://github.com/docker/build-push-action/blob/master/docs/advanced/tags-labels.md
 # https://github.com/crazy-max/ghaction-docker-meta
 # https://github.com/docker/build-push-action
+# https://github.com/MarcelCoding/luna/blob/main/.github/workflows/ci.yaml
 name: Release
 
 on:
@@ -10,6 +14,9 @@ on:
     tags:
       - '*.*.*'
 
+env:
+  GHCR_IMAGE_NAME: crate/cratedb-prometheus-adapter
+
 jobs:
   docker:
     runs-on: ubuntu-latest
@@ -24,8 +31,7 @@ jobs:
         with:
           # list of Docker images to use as base name for tags
           images: |
-            crate/cratedb-prometheus-adapter
-            ghcr.io/crate/cratedb-prometheus-adapter
+            ghcr.io/${{ env.GHCR_IMAGE_NAME }}
           # generate Docker tags based on the following events/attributes
           tags: |
             type=schedule,pattern=nightly
@@ -38,9 +44,18 @@ jobs:
       -
         name: Set up QEMU
         uses: docker/setup-qemu-action@v1
+        if: matrix.platforms != 'linux/amd64'
       -
         name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
+      -
+        name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
       -
         name: Inspect builder
         run: |
@@ -56,7 +71,7 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          password: ${{ github.token }}
       -
         name: Build and push
         uses: docker/build-push-action@v2
@@ -65,3 +80,11 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache-new
+
+      -
+        name: Move cache
+        run: |
+          rm -rf /tmp/.buildx-cache
+          mv /tmp/.buildx-cache-new /tmp/.buildx-cache