Added support for arm64

.github/workflows/docker-publish.yml

@@ -24,8 +24,7 @@ on:
         required: true
 
 env:
-  # github.repository as <account>/<repo>
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: jgosmann/dmarc-metrics-exporter
 
 
 jobs:
@@ -42,12 +41,18 @@ jobs:
         run: REF=${{ inputs.version }}; TAG=${REF#refs/*/}; echo "version=${TAG#v}" >> $GITHUB_OUTPUT
 
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
@@ -56,17 +61,18 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
         with:
           images: ${{ env.IMAGE_NAME }}
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action
       - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           context: .
           push: ${{ github.event_name != 'pull_request' }}
-          tags: jgosmann/dmarc-metrics-exporter:${{ steps.version.outputs.version }}
+          tags: ${{ env.IMAGE_NAME }}:${{ steps.version.outputs.version }}
+          platforms: linux/amd64,linux/arm64
           labels: ${{ steps.meta.outputs.labels }}
           build-args: "version=${{ steps.version.outputs.version }}"

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.11-slim AS builder
+FROM --platform=linux/amd64 python:3.11-slim AS builder
 ARG version
 
 # install python package in venv