Build and push multi-arch container

Author: arelange

.github/workflows/registry-actions.yml

@@ -92,10 +92,21 @@ jobs:
         run: |
           IMAGE="$(yq '.name' rockcraft.yaml)"
           VERSION="$(yq '.version' rockcraft.yaml)"
-          ls *.rock
-          ROCK="$(ls *.rock | tail -n 1)"
           ORG_NAME=$(echo "${ORG}" | tr '[:upper:]' '[:lower:]')
-          sudo rockcraft.skopeo --insecure-policy copy oci-archive:"${ROCK}" docker-daemon:"${ORG_NAME}/${IMAGE}:${VERSION}-edge"
+          # Upload each rock to the container registry
+          declare -a digests=()
+          for rock in *.rock; do
+            digest=$(rockcraft.skopeo --insecure-policy inspect "oci-archive:${rock}" --format "{{ .Digest }}")
+            digests+=($digest)
+            rockcraft.skopeo --insecure-policy copy oci-archive:${rock} docker-daemon:"${ORG_NAME}/${IMAGE}:${digest}"
+          done
+          # Create and upload a multi-arch manifest
+          args=("manifest" "create" "${multi_arch_image_name}")
+          for digest in "${digests[@]}"; do
+              args+=(--amend "${target_image}@${digest}")
+          done
+          docker "${args[@]}"
+          manifest=$(docker manifest push ${ORG_NAME}/${IMAGE}:${VERSION}-edge)
           # Push to Docker Hub
           # docker tag ${ORG_NAME}/${IMAGE}:${VERSION}-edge ${USERNAME}:${VERSION}-edge
           # docker push ${USERNAME}/${IMAGE}:${VERSION}-edge
@@ -116,9 +127,21 @@ jobs:
         run: |
             IMAGE="$(yq '.name' rockcraft.yaml)"
             VERSION="$(yq '.version' rockcraft.yaml)"
-            ROCK="$(ls *.rock | tail -n 1)"
             ORG_NAME=$(echo "${ORG}" | tr '[:upper:]' '[:lower:]')
-            sudo rockcraft.skopeo --insecure-policy copy oci-archive:"${ROCK}" docker-daemon:"${ORG_NAME}/${IMAGE}:${VERSION}-stable"
+          # Upload each rock to the container registry
+          declare -a digests=()
+          for rock in *.rock; do
+            digest=$(rockcraft.skopeo --insecure-policy inspect "oci-archive:${rock}" --format "{{ .Digest }}")
+            digests+=($digest)
+            rockcraft.skopeo --insecure-policy copy oci-archive:${rock} docker-daemon:"${ORG_NAME}/${IMAGE}:${digest}"
+          done
+          # Create and upload a multi-arch manifest
+          args=("manifest" "create" "${multi_arch_image_name}")
+          for digest in "${digests[@]}"; do
+              args+=(--amend "${target_image}@${digest}")
+          done
+          docker "${args[@]}"
+          manifest=$(docker manifest push ${ORG_NAME}/${IMAGE}:${VERSION}-stable)
             # Push to Docker Hub
             # docker tag ${ORG_NAME}/${IMAGE}:${VERSION}-stable ${USERNAME}:${VERSION}-stable
             # docker push ${USERNAME}/${IMAGE}:${VERSION}-stable