Added missing multi-arch docker image manifest step from release

.circleci/config.yml

@@ -29,8 +29,17 @@ jobs:
       - checkout
       - setup_remote_docker
 
-      - run: go get github.com/goreleaser/goreleaser
+      - run:
+          name: Login Docker hub
+          command: echo $DOCKER_PASS | docker login --username $DOCKER_USER --password-stdin
+
+      - run: 
+          name: Install tools
+          command: |
+            go get github.com/goreleaser/goreleaser
+            go get github.com/estesp/manifest-tool
       - run: goreleaser
+      - run: .circleci/scripts/push-docker-manifest.sh $(git describe --tags --always --dirty)
 
 workflows:
   version: 2

.circleci/scripts/push-docker-manifest.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# 
+# Push multi arch Docker image manifest
+# 
+set -euo pipefail
+
+IMAGE="ernoaapa/eliotd"
+PLATFORMS="linux/amd64,linux/arm64"
+VERSION=$1
+
+echo "Push multi arch manifest for version: ${VERSION} to ${IMAGE}"
+echo "Platforms: ${PLATFORMS}"
+
+manifest-tool \
+  --username ${DOCKER_USER} \
+  --password ${DOCKER_PASS} \
+  push from-args \
+  --platforms $PLATFORMS \
+  --template ${IMAGE}:${VERSION}-ARCH \
+  --target ${IMAGE}:${VERSION}