Releasing docker image for arm64 (#1383)

.github/workflows/tag.yml

@@ -26,3 +26,38 @@ jobs:
           args: release --rm-dist
         env:
           GITHUB_TOKEN: ${{ secrets.GOLANGCI_LINT_TOKEN }}
+      - name: Prepare
+        id: prepare
+        run: |
+            TAG=${GITHUB_REF#refs/tags/}
+            MAJOR=${TAG%.*}
+            echo ::set-output name=tag_name::${TAG}
+            echo ::set-output name=major_tag::${MAJOR}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: build and publish main image
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: build/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            golangci/golangci-lint:${{ steps.prepare.outputs.tag_name }}
+            golangci/golangci-lint:${{ steps.prepare.outputs.major_tag }}
+            golangci/golangci-lint:latest
+      - name: build and publish alpine image
+        id: docker_build_alpine
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: build/Dockerfile.alpine
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            golangci/golangci-lint:${{ steps.prepare.outputs.tag_name }}-alpine
+            golangci/golangci-lint:${{ steps.prepare.outputs.major_tag }}-alpine
+            golangci/golangci-lint:latest-alpine

.goreleaser.yml

@@ -63,22 +63,6 @@ changelog:
     - Merge pull request
     - Merge branch
 
-dockers:
-  - dockerfile: build/Dockerfile
-    binaries:
-      - golangci-lint
-    image_templates:
-      - "golangci/golangci-lint:latest"
-      - "golangci/golangci-lint:{{ .Tag }}"
-      - "golangci/golangci-lint:v{{ .Major }}.{{ .Minor }}"
-  - dockerfile: build/Dockerfile.alpine
-    binaries:
-      - golangci-lint
-    image_templates:
-      - "golangci/golangci-lint:latest-alpine"
-      - "golangci/golangci-lint:{{ .Tag }}-alpine"
-      - "golangci/golangci-lint:v{{ .Major }}.{{ .Minor }}-alpine"
-
 brews:
   - tap:
       owner: golangci

build/Dockerfile

@@ -1,5 +1,12 @@
-FROM golang:1.15
+# stage 1 building the code
+FROM golang:1.15 as builder
+
+COPY / /golangci
+WORKDIR /golangci
+RUN go build -o golangci-lint ./cmd/golangci-lint/main.go
 
+# stage 2
+FROM golang:1.15
 # don't place it into $GOPATH/bin because Drone mounts $GOPATH as volume
-COPY golangci-lint /usr/bin/
+COPY --from=builder /golangci/golangci-lint /usr/bin/
 CMD ["golangci-lint"]

build/Dockerfile.alpine

@@ -1,10 +1,16 @@
-FROM golang:1.15-alpine
+# stage 1 building the code
+FROM golang:1.15-alpine as builder
+
+COPY / /golangci
+WORKDIR /golangci
+RUN CGO_ENABLED=0 go build -o golangci-lint ./cmd/golangci-lint/main.go
 
+# stage 2
+FROM golang:1.15-alpine
 # gcc is required to support cgo;
 # git and mercurial are needed most times for go get`, etc.
 # See https://github.com/docker-library/golang/issues/80
 RUN apk --no-cache add gcc musl-dev git mercurial
-
 # don't place it into $GOPATH/bin because Drone mounts $GOPATH as volume
-COPY golangci-lint /usr/bin/
+COPY --from=builder /golangci/golangci-lint /usr/bin/
 CMD ["golangci-lint"]