build alpine image - fixes #65

.github/workflows/publish.yml

@@ -9,7 +9,7 @@ on:
       - published
 
 jobs:
-  main:
+  scratch:
     runs-on: ubuntu-latest
     steps:
       - name: Get current date
@@ -31,6 +31,7 @@ jobs:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Build and push ${{github.event.release.tag_name }}
         id: docker_build_release
         uses: docker/build-push-action@v2
@@ -56,5 +57,60 @@ jobs:
           build-args: |
             VERSION=main
             BUILD=${{ steps.date.outputs.date }}
+
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}
+
+  alpine:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get current date
+        id: date
+        run: echo "::set-output name=date::$(date --utc +%Y-%m-%dT%H:%M:%SZ)"
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to Quay
+        uses: docker/login-action@v1
+        with:
+          registry: quay.io
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+      - name: Login to ghcr.io
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push ${{github.event.release.tag_name }} alpine
+        id: docker_build_alpine_release
+        uses: docker/build-push-action@v2
+        if: ${{ github.event.release.tag_name != '' }}
+        with:
+          pull: true
+          push: true
+          tags: quay.io/bakito/adguardhome-sync:alpine-latest,quay.io/bakito/adguardhome-sync:alpine-${{ github.event.release.tag_name }},ghcr.io/bakito/adguardhome-sync:alpine-latest,ghcr.io/bakito/adguardhome-sync:alpine-${{ github.event.release.tag_name }}
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          file: Dockerfile.alpine
+          build-args: |
+            VERSION=${{ github.event.release.tag_name }}
+            BUILD=${{ steps.date.outputs.date }}
+
+      - name: Build and push main alpine
+        id: docker_build_alpine_main
+        uses: docker/build-push-action@v2
+        if: ${{ github.event.release.tag_name == '' }}
+        with:
+          pull: true
+          push: true
+          tags: quay.io/bakito/adguardhome-sync:alpine-main,ghcr.io/bakito/adguardhome-sync:alpine-main
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          file: Dockerfile.alpine
+          build-args: |
+            VERSION=main
+            BUILD=${{ steps.date.outputs.date }}
+
+      - name: Image digest alpine
+        run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile.alpine

@@ -0,0 +1,29 @@
+FROM golang:1.17 as builder
+
+WORKDIR /go/src/app
+
+RUN apt-get update && apt-get install -y upx
+
+ARG VERSION=main
+ARG BUILD="N/A"
+
+ENV GO111MODULE=on \
+  CGO_ENABLED=0 \
+  GOOS=linux
+
+COPY . /go/src/app/
+
+RUN go build -a -installsuffix cgo -ldflags="-w -s -X github.com/bakito/adguardhome-sync/version.Version=${VERSION} -X github.com/bakito/adguardhome-sync/version.Build=${BUILD}" -o adguardhome-sync . \
+  && upx -q adguardhome-sync
+
+# application image
+FROM alpine:latest
+WORKDIR /opt/go
+
+LABEL maintainer="bakito <github@bakito.ch>"
+EXPOSE 8080
+ENTRYPOINT ["/opt/go/adguardhome-sync"]
+CMD ["run", "--config", "/config/adguardhome-sync.yaml"]
+COPY --from=builder /go/src/app/adguardhome-sync  /opt/go/adguardhome-sync
+COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+USER 1001

Makefile

@@ -10,7 +10,7 @@ tidy:
 test: test-ci fmt
 
 # Run ci tests
-test-ci: mocks tidy
+test-ci: mocks tidy alpine-docker
 	go test ./...  -coverprofile=coverage.out
 	go tool cover -func=coverage.out
 
@@ -47,4 +47,8 @@ __check_defined = \
 
 build-image:
 	$(call check_defined, AGH_SYNC_VERSION)
-	podman build --build-arg VERSION=${AGH_SYNC_VERSION} --build-arg BUILD=$(shell date -u +'%Y-%m-%dT%H:%M:%S.%3NZ') --name adgardhome-replica -t ghcr.io/bakito/adguardhome-sync:${AGH_SYNC_VERSION} .
+	podman build --build-arg VERSION=${AGH_SYNC_VERSION} --build-arg BUILD=$(shell date -u +'%Y-%m-%dT%H:%M:%S.%3NZ') --name adgardhome-replica -t ghcr.io/bakito/adguardhome-sync:${AGH_SYNC_VERSION} .
+
+alpine-docker:
+	cp Dockerfile Dockerfile.alpine
+	sed -i 's/FROM scratch/FROM alpine:latest/g' Dockerfile.alpine