Improved Docker build action

* Split each architecture with a matrix build so each arch builds on it's own runner * Cache all architectures in GHA * Combine and push in final step
rblaine95 · Oct 22, 2024 · bdc95b4 · bdc95b4
1 parent e7009d5
commit bdc95b4
Showing 1 changed file with 37 additions and 5 deletions.
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
@@ -9,14 +9,41 @@ env:
 jobs:
   build:
     name: Build
+    runs-on: ${{ matrix.runs-on }}
+    strategy:
+      matrix:
+        arch: [amd64, arm64, armv7]
+        include:
+          - arch: amd64
+            runs-on: ubuntu-latest
+          - arch: arm64
+            runs-on: ubuntu-latest
+            # One day, when ARM based Github Hosted Runners are GA...
+            # https://github.com/github/roadmap/issues/970
+            # runs-on: ubuntu-latest-arm64
+          - arch: "arm/v7"
+            runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
+        if: ${{ matrix.arch != 'amd64' }}
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/build-push-action@v6
+        with:
+          platforms: linux/${{ matrix.arch }}
+          push: false
+          cache-from: |
+            type=gha,scope=docker-build-${{ matrix.arch }}
+          cache-to: |
+            type=gha,mode=max,scope=docker-build-${{ matrix.arch }}
+          context: .
+  combine:
+    needs: [build]
     runs-on: ubuntu-latest
     permissions:
       contents: read
       packages: write
     steps:
-      - uses: actions/checkout@v4
-      - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v3
       - uses: docker/login-action@v3
         with:
           registry: ghcr.io
@@ -42,5 +69,10 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
+          cache-from: |
+            type=gha,scope=docker-package
+            type=gha,scope=docker-build-amd64
+            type=gha,scope=docker-build-arm64
+            type=gha,scope=docker-build-armv7
+          cache-to: |
+            type=gha,mode=max,scope=docker-package