arm64 support

.github/workflows/main.yml

@@ -0,0 +1,43 @@
+---
+name: Build operator container image
+on:
+  push:
+    tags:
+      - "*" # Only runs on pushes with a tag
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+      with:
+        platforms: 'arm64'
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+    - name: Docker Login
+      uses: docker/[email protected]
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Docker Metadata action
+      uses: docker/[email protected]
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Build and push Docker images
+      uses: docker/[email protected]
+      with:
+        push: true
+        platforms: linux/amd64,linux/arm64
+        # github.ref_name should set the tag to the pushed tag
+        tags: ghcr.io/${{ github.repository_owner }}/kubernetes-sidecar-terminator:${{ github.ref_name }},ghcr.io/${{ github.repository_owner }}/kubernetes-sidecar-terminator:latest
+
+# Reference: https://docs.github.com/en/packages/managing-github-packages-using-github-actions-workflows/publishing-and-installing-a-package-with-github-actions