Merge pull request #6 from cloudstruct/chore/test-arm

chore: run Docker CI on ARM

Author: wolf31o2

.github/workflows/ci-docker.yml

@@ -10,7 +10,7 @@ env:
   IMAGE_NAME: cloudstruct/cardano-node
 
 jobs:
-  docker:
+  build-amd64:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -26,9 +26,27 @@ jobs:
         with:
           context: .
           push: false
-          ### TODO: test multiple platforms
-          # platforms: linux/amd64,linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          ### TODO: cache artifacts
-          #cache-to: type=gha,mode=max
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+  build-arm64:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v2
+      - name: qemu
+        uses: docker/setup-qemu-action@v1
+      - uses: docker/setup-buildx-action@v1
+      - id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+      - name: build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: false
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max