feat: add linux/arm64 build

Author: tobikris

.github/workflows/build.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Get changed files
         id: changed-files
-        uses: tj-actions/changed-files@v14.1
+        uses: tj-actions/changed-files@v41
         with:
           files: |
             Dockerfile
@@ -54,7 +54,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

.github/workflows/release.yml

@@ -44,7 +44,7 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -4,7 +4,7 @@ FROM ghcr.io/siderolabs/talosctl:$TALOS_VERSION AS talosctl
 
 FROM ghcr.io/containerd/busybox:1.36
 
-LABEL maintainer="Tobias Krischer <tobias.krischer@elyxon.de>"
+LABEL org.opencontainers.image.description "Busybox image with talosctl"
 
 COPY --from=talosctl /talosctl /usr/local/bin/talosctl
 VOLUME [ "/var/run/secrets/talos.dev" ]