Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,92 @@
+name: "Release"
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  release:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@master
+    - uses: actions/setup-go@v2
+      with:
+        go-version: '1.15.7'
+
+    - name: Unit tests
+      run: go test -v ./...
+
+    - run: |
+        export VERSION=${GITHUB_REF##*/}
+        echo "RELEASE_VERSION=$VERSION" >> $GITHUB_ENV
+        export CURRENT_DATE=$(date --iso-8601=seconds)
+        echo "RELEASE_DATE=$CURRENT_DATE" >> $GITHUB_ENV
+
+    - name: Building binaries
+      run: |
+        go mod download
+        mkdir binaries
+        cd cmd/prometheus-multi-tenant-proxy
+        GOOS=darwin GOARCH=amd64 go build -o prometheus-multi-tenant-proxy -ldflags="-X 'main.version=${{ env.RELEASE_VERSION }}' -X 'main.commit=${{ github.sha }}' -X 'main.date=${{ env.RELEASE_DATE }}'"
+        mv prometheus-multi-tenant-proxy ../../binaries/prometheus-multi-tenant-proxy-darwing-amd64
+        GOOS=linux GOARCH=amd64 go build -o prometheus-multi-tenant-proxy -ldflags="-X 'main.version=${{ env.RELEASE_VERSION }}' -X 'main.commit=${{ github.sha }}' -X 'main.date=${{ env.RELEASE_DATE }}'"
+        mv prometheus-multi-tenant-proxy ../../binaries/prometheus-multi-tenant-proxy-linux-amd64
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
+    - name: Login to GitHub Registry
+      uses: docker/login-action@v1 
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+    - name: Build and push
+      uses: docker/build-push-action@v2
+      with:
+        file: ./build/package/Dockerfile
+        context: .
+        platforms: linux/amd64,linux/arm/v7,linux/arm64
+        pull: true
+        no-cache: true
+        push: true
+        tags: |
+          ghcr.io/${{ github.repository }}:${{ env.RELEASE_VERSION }}
+          ghcr.io/${{ github.repository }}:latest
+        build-args: |
+          RELEASE_DATE=${{ env.RELEASE_DATE }}
+          VERSION=${{ env.RELEASE_VERSION }}
+          COMMIT=${{ github.sha }}
+
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ env.RELEASE_VERSION }}
+        release_name: Release ${{ env.RELEASE_VERSION }}
+        body: |
+          Release ${{ env.RELEASE_VERSION }}
+
+    - name: Upload Linux release
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./binaries/prometheus-multi-tenant-proxy-linux-amd64
+        asset_name: prometheus-multi-tenant-proxy-linux-amd64
+        asset_content_type: application/octet-stream
+
+    - name: Upload Darwin release
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: ./binaries/prometheus-multi-tenant-proxy-darwing-amd64
+        asset_name: prometheus-multi-tenant-proxy-darwing-amd64
+        asset_content_type: application/octet-stream

build/package/Dockerfile

@@ -1,5 +1,6 @@
 FROM golang:1.15.7-buster as builder
 
+ARG RELEASE_DATE=unknown
 ARG VERSION=dev
 ARG COMMIT=none
 
@@ -17,11 +18,11 @@ COPY pkg pkg
 COPY internal internal
 
 RUN cd cmd/prometheus-multi-tenant-proxy && \
-    go build -ldflags="-X 'main.version=${VERSION}' -X 'main.commit=${COMMIT}'"
+    go build -ldflags="-X 'main.version=${VERSION}' -X 'main.commit=${COMMIT}' -X 'main.date=${RELEASE_DATE}'"
 
-FROM debian:stretch
+FROM debian:buster
 
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /go/src/github.com/k8spin/prometheus-multi-tenant-proxy/cmd/prometheus-multi-tenant-proxy/prometheus-multi-tenant-proxy /prometheus-multi-tenant-proxy
 
-ENTRYPOINT [ "/prometheus-multi-tenant-proxy" ]
+ENTRYPOINT [ "/prometheus-multi-tenant-proxy" ]