Added support for multi-arch image build

.github/workflows/on-main-push.yaml

@@ -36,10 +36,24 @@ jobs:
           username: weave-ghcr-bot
           password: ${{ secrets.KURED_WEAVE_GHCR_BOT_TOKEN }}
 
-      - name: Build image
-        run: |
-          make DH_ORG="${{ github.repository_owner }}" image
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
 
-      - name: Publish image
-        run: |
-          make DH_ORG="${{ github.repository_owner }}" publish-image
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Find current tag version
+        run: echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"
+        id: tags
+
+      - name: Build image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: cmd/kured/Dockerfile.multi
+          platforms: linux/arm64, linux/amd64
+          push: true
+          tags: |
+            docker.io/${{ GITHUB.REPOSITORY }}:main-${{ steps.tags.outputs.sha_short }}
+            ghcr.io/${{ GITHUB.REPOSITORY }}:main-${{ steps.tags.outputs.sha_short }}

.github/workflows/on-tag.yaml

@@ -44,6 +44,20 @@ jobs:
           username: weave-ghcr-bot
           password: ${{ secrets.KURED_WEAVE_GHCR_BOT_TOKEN }}
 
-      - name: Publish image
-        run: |
-          make DH_ORG="${{ github.repository_owner }}" VERSION="${{ steps.tags.outputs.version }}" publish-image
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        id: buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Build image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: cmd/kured/Dockerfile.multi
+          platforms: linux/arm64, linux/amd64
+          push: true
+          tags: |
+            docker.io/${{ GITHUB.REPOSITORY }}:${{ steps.tags.outputs.version }}
+            ghcr.io/${{ GITHUB.REPOSITORY }}:${{ steps.tags.outputs.version }}

cmd/kured/Dockerfile.multi

@@ -0,0 +1,9 @@
+FROM golang:bullseye AS build
+WORKDIR /src
+COPY . .
+RUN go list -f '{{join .Deps "\n"}}' ./cmd/kured | grep -v /vendor/ | xargs go list -f '{{if not .Standard}}{{ $dep := . }}{{range .GoFiles}}{{$dep.Dir}}/{{.}} {{end}}{{end}}'
+RUN CGO_ENABLED=0 GOOS=linux go build -o cmd/kured/kured cmd/kured/*.go
+FROM alpine:latest as bin
+RUN apk update --no-cache && apk upgrade --no-cache && apk add --no-cache ca-certificates tzdata
+COPY --from=build /src/cmd/kured/kured /usr/bin/kured
+ENTRYPOINT ["/usr/bin/kured"]