Build arm64 Docker image

.github/workflows/build-image.yml

@@ -1,44 +1,101 @@
-name: Create and publish a Docker image
+name: Create and publish a multi-architecture Docker image
 
 on:
   push:
     tags: ['v[0-9]+.[0-9]+.[0-9]+']
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: ghcr.io/${{ github.repository }}
 
 jobs:
-  build-and-push-image:
-    runs-on: ubuntu-latest
+  build-image:
+    strategy:
+      fail-fast: false
+      matrix:
+        runner: [ubuntu-latest, buildjet-4vcpu-ubuntu-2204-arm]
+    runs-on: ${{ matrix.runner }}
     permissions:
       contents: read
       packages: write
-
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
-
-      - name: Log in to the Container registry
-        uses: docker/[email protected]
+        uses: actions/checkout@v4
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to the Container Registry
+        uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/[email protected]
+      - name: Build and export the image to Docker
+        uses: docker/build-push-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=semver,pattern=v{{version}}
-
-      - name: Build and push Docker image
-        uses: docker/[email protected]
+          context: .
+          load: true
+          tags: ${{ env.IMAGE_NAME }}:test
+      - name: Test the image
+        run: |
+          docker run --rm -i ${{ env.IMAGE_NAME }}:test < examples/nfldb.er >| nfldb.pdf
+      - name: Push the image by digest
+        id: build
+        uses: docker/build-push-action@v5
         with:
           context: .
-          push: true
-          tags: |
-            ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.IMAGE_NAME }},push-by-digest=true,name-canonical=true,push=true
+      - name: Export the digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+      - name: Upload the digest
+        uses: actions/upload-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: example-diagram-nfldb
+          path: nfldb.pdf
+
+  merge-image:
+    runs-on: ubuntu-latest
+    needs:
+      - build-image
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v3
+        with:
+          name: digests
+          path: /tmp/digests
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.IMAGE_NAME }}
+      - name: Login to the Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.IMAGE_NAME }}@sha256:%s ' *)
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.version }}

Dockerfile

@@ -14,7 +14,7 @@
 #  - Go to Preferences > Resources > Memory
 #  - and give docker more memory (eg: 4gb)
 
-FROM haskell:8
+FROM haskell:8-slim
 
 WORKDIR /opt/erd