⚓ Build docker image for aarch64

.github/workflows/release.yaml

@@ -24,10 +24,10 @@ jobs:
       - name: Build and push
         uses: docker/build-push-action@v2
         with:
-        platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ghcr.io/meeb/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
-        cache-from: type=registry,ref=ghcr.io/meeb/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
-        cache-to: type=inline
+          # cache-from: type=registry,ref=ghcr.io/meeb/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }}
+          # cache-to: type=inline
           build-args: |
             IMAGE_NAME=${{ env.IMAGE_NAME }}

Dockerfile

@@ -1,7 +1,16 @@
 FROM debian:bullseye-slim
 
-ARG ARCH="amd64"
+ARG TARGETPLATFORM
+ARG ARCH=$(case ${TARGETPLATFORM:-linux/amd64} in \
+  "linux/amd64")   echo "amd64"  ;; \
+  "linux/arm64")   echo "aarch64" ;; \
+  *)               echo ""        ;; esac)
 ARG S6_VERSION="2.2.0.3"
+RUN export ARCH=$(case ${TARGETPLATFORM:-linux/amd64} in \
+  "linux/amd64")   echo "amd64"  ;; \
+  "linux/arm64")   echo "aarch64" ;; \
+  *)               echo ""        ;; esac) \
+  && echo "ARCH=${ARCH}, ARCH2=$ARCH"
 
 ENV DEBIAN_FRONTEND="noninteractive" \
   HOME="/root" \
@@ -12,7 +21,6 @@ ENV DEBIAN_FRONTEND="noninteractive" \
   S6_EXPECTED_SHA256="a7076cf205b331e9f8479bbb09d9df77dbb5cd8f7d12e9b74920902e0c16dd98" \
   S6_DOWNLOAD="https://github.com/just-containers/s6-overlay/releases/download/v${S6_VERSION}/s6-overlay-${ARCH}.tar.gz"
 
-
 # Install third party software
 RUN set -x && \
   apt-get update && \