.github/workflows: Migrate workflows to Blacksmith runners

.github/workflows/.test.yml

@@ -36,7 +36,7 @@ env:
 
 jobs:
   prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     outputs:
       pkgs: ${{ steps.set.outputs.pkgs }}
       kinds: ${{ steps.set.outputs.kinds }}
@@ -48,11 +48,8 @@ jobs:
         uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Deps
         run: |
@@ -102,7 +99,7 @@ jobs:
             *.cache-to=type=gha,scope=${{ inputs.cache_scope }},repository=${{ github.repository }},ghtoken=${{ github.token }}
 
   run:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs:
       - prepare
     env:

.github/workflows/buildkit.yml

@@ -33,7 +33,7 @@ env:
 
 jobs:
   prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     outputs:
       binaries-platforms: ${{ steps.platforms.outputs.matrix }}
     steps:
@@ -66,7 +66,7 @@ jobs:
       sign: ${{ github.event_name != 'pull_request' }}
 
   binaries-finalize:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs:
       - binaries
     steps:
@@ -139,18 +139,15 @@ jobs:
       codecov_token: ${{ secrets.CODECOV_TOKEN }}
 
   govulncheck:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     permissions:
       contents: read # same as global permission
       security-events: write # required to write sarif report
     steps:
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Run
         uses: docker/bake-action@82490499d2e5613fcead7e128237ef0b0ea210f7 # v7.0.0
@@ -166,7 +163,7 @@ jobs:
           sarif_file: ${{ env.DESTDIR }}/govulncheck.out
 
   image-prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     outputs:
       includes: ${{ steps.set.outputs.includes }}
     steps:
@@ -288,7 +285,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
   scout:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ github.ref == 'refs/heads/master' && github.repository == 'moby/buildkit' }}
     permissions:
       # same as global permission
@@ -332,7 +329,7 @@ jobs:
           sarif_file: ${{ steps.scout.outputs.result-file }}
 
   release:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     permissions:
       # required to create GitHub release
       contents: write

.github/workflows/buildx-image.yml

@@ -36,7 +36,7 @@ env:
 
 jobs:
   create:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     strategy:
       fail-fast: false
       matrix:
@@ -49,10 +49,8 @@ jobs:
     steps:
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Login to DockerHub
         if: github.event.inputs.dry-run != 'true'

.github/workflows/create-patched-release.yml

@@ -22,7 +22,7 @@ permissions:
 
 jobs:
   create-release:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4

.github/workflows/dockerd.yml

@@ -19,7 +19,7 @@ env:
 
 jobs:
   prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       -
         name: Prepare
@@ -39,15 +39,11 @@ jobs:
             core.exportVariable('DOCKER_BUILD', build);
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Build
         if: ${{ env.DOCKER_BUILD == 'true' }}
-        uses: docker/build-push-action@d08e5c354a6adb9ed34480a06d141179aa583294 # v7.0.0
+        uses: useblacksmith/build-push-action@v2
         with:
           context: ${{ env.DOCKER_VERSION }}
           target: binary
@@ -76,7 +72,7 @@ jobs:
           retention-days: 1
 
   test:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     needs:
       - prepare
     strategy:
@@ -108,11 +104,8 @@ jobs:
         uses: docker/setup-qemu-action@ce360397dd3f832beb865e1373c09c0e9f86d70a # v4.0.0
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Download dockerd
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1

.github/workflows/frontend.yml

@@ -42,7 +42,7 @@ jobs:
       codecov_token: ${{ secrets.CODECOV_TOKEN }}
 
   prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     outputs:
       includes: ${{ steps.set.outputs.includes }}
       tag: ${{ steps.set.outputs.tag }}
@@ -188,7 +188,7 @@ jobs:
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
   scout:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ github.repository == 'moby/buildkit' && github.ref == 'refs/heads/master' }}
     permissions:
       # same as global permission
@@ -232,7 +232,7 @@ jobs:
           sarif_file: ${{ steps.scout.outputs.result-file }}
 
   release:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: startsWith(github.ref, 'refs/tags/dockerfile')
     permissions:
       # required to create GitHub release

.github/workflows/labeler.yml

@@ -15,7 +15,7 @@ jobs:
     permissions:
       contents: read
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       -
         name: Run

.github/workflows/test-os.yml

@@ -29,7 +29,7 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     strategy:
       fail-fast: false
       matrix:
@@ -44,11 +44,7 @@ jobs:
           echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Build
         uses: docker/bake-action@82490499d2e5613fcead7e128237ef0b0ea210f7 # v7.0.0
@@ -82,7 +78,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [windows-2022]
+        os: [blacksmith-4vcpu-windows-2025]
         worker:
           - containerd
         pkg:
@@ -107,7 +103,7 @@ jobs:
           - ./frontend/dockerfile#11-12
           - ./frontend/dockerfile#12-12
         include:
-          - os: windows-2022
+          - os: blacksmith-4vcpu-windows-2025
             worker: containerd
             pkg: ./...
             skip-integration-tests: 1
@@ -193,7 +189,7 @@ jobs:
           retention-days: 1
 
   test-freebsd-amd64:
-    runs-on: ubuntu-22.04
+    runs-on: blacksmith-4vcpu-ubuntu-2204
     needs:
       - build
     env:
@@ -266,11 +262,8 @@ jobs:
     steps:
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Build
         uses: docker/bake-action@82490499d2e5613fcead7e128237ef0b0ea210f7 # v7.0.0

.github/workflows/validate.yml

@@ -24,7 +24,7 @@ env:
 
 jobs:
   prepare:
-    runs-on: ubuntu-24.04
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     outputs:
       includes: ${{ steps.matrix.outputs.includes }}
     steps:
@@ -73,11 +73,8 @@ jobs:
     steps:
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@4d04d5d9486b7bd6fa91e7baf45bbb4f8b9deedd # v4.0.0
-        with:
-          version: ${{ env.SETUP_BUILDX_VERSION }}
-          driver-opts: image=${{ env.SETUP_BUILDKIT_IMAGE }}
-          buildkitd-flags: --debug
+      - name: Setup Blacksmith Builder
+        uses: useblacksmith/setup-docker-builder@v1
       -
         name: Validate
         uses: docker/bake-action@82490499d2e5613fcead7e128237ef0b0ea210f7 # v7.0.0