Add docker build support, improve release (#19)

* Use tag annotation to generate release message.
Add sha256 sum of the binaries.
Only run tests on branches.

* Add docker image build & push

Author: dysosmus

.github/workflows/docker-image.yml

@@ -0,0 +1,48 @@
+name: docker image
+on:
+  push:
+    branches:
+      - '*'
+      - '!master'
+  release:
+    types: [published]
+
+jobs:
+  build_push:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Prepare
+        id: prep
+        run: |
+          DOCKER_IMAGE=messagebird/gcppromd
+          VERSION=edge
+          if [[ '${{ github.event_name }}' == 'release' ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          fi
+          TAGS="${DOCKER_IMAGE}:${VERSION}"
+          if [ "${{ github.event_name }}" = "push" ]; then
+            TAGS="$TAGS,${DOCKER_IMAGE}:sha-${GITHUB_SHA::8}"
+          fi
+          echo ::set-output name=version::${VERSION}
+          echo ::set-output name=tags::${TAGS}
+          echo ::set-output name=created::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: Login to DockerHub
+        if: ${{ github.event_name == 'release' }}
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          push: ${{ github.event_name == 'release' }}
+          tags: ${{ steps.prep.outputs.tags }}
+          labels: |
+            org.opencontainers.image.source=${{ github.event.repository.html_url }}
+            org.opencontainers.image.created=${{ steps.prep.outputs.created }}
+            org.opencontainers.image.revision=${{ github.sha }}

.github/workflows/release.yml

@@ -2,7 +2,7 @@ name: release
 
 on:
   push:
-    tags: ['v*']
+    tags: ["v*.*.*"]
 
 jobs:
   get-tag:
@@ -14,27 +14,39 @@ jobs:
       - id: vars
         run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
   build:
+    env:
+      BIN_NAME: ${{ needs.get-tag.outputs.tag }}.${{ matrix.platform.goos }}-${{ matrix.platform.goarch }}
     needs: [get-tag]
     runs-on: ubuntu-latest
     strategy:
       matrix:
         platform:
-          - {goos: darwin, goarch: amd64}
-          - {goos: linux, goarch: amd64}
-          - {goos: windows, goarch: amd64}
+          - { goos: darwin, goarch: amd64 }
+          - { goos: linux, goarch: amd64 }
+          - { goos: windows, goarch: amd64 }
     steps:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Setup go
         uses: actions/setup-go@v1
         with:
           go-version: ^1.0
-      - run: CGO_ENABLED=0 GOOS=${{ matrix.platform.goos }} GOARCH=${{ matrix.platform.goarch }} go build -ldflags "-s -w" -o gcppromd-${{ needs.get-tag.outputs.tag }}.${{ matrix.platform.goos }}-${{ matrix.platform.goarch }} ./cmd/gcppromd
+      - name: Set binary name
+        id: binary_name
+        run: |
+          echo "BIN_NAME=gcppromd-${{ needs.get-tag.outputs.tag }}.${{ matrix.platform.goos }}-${{ matrix.platform.goarch }}" >> $GITHUB_ENV
+      - run: >-
+          CGO_ENABLED=0 GOOS=${{ matrix.platform.goos }}
+          GOARCH=${{ matrix.platform.goarch }}
+          go build -ldflags "-s -w" -o ${{ env.BIN_NAME }} ./cmd/gcppromd &&
+          shasum -a 256 ${{ env.BIN_NAME }} > ${{ env.BIN_NAME }}.sha256
       - name: Upload binary
         uses: actions/upload-artifact@v2
         with:
-          name: binary.${{ matrix.platform.goos }}-${{ matrix.platform.goarch }}
-          path: gcppromd-${{ needs.get-tag.outputs.tag }}.${{ matrix.platform.goos }}-${{ matrix.platform.goarch }}
+          name: binary.${{ env.BIN_NAME }}
+          path: |
+            ${{ env.BIN_NAME }}
+            ${{ env.BIN_NAME }}.sha256
           if-no-files-found: error
   release:
     needs: [get-tag, build]
@@ -45,12 +57,18 @@ jobs:
       - uses: actions/download-artifact@v2
         with:
           path: .
+      # git fetch --tags --force is required because GitHub checkout action doesn't seems to preserve the tag annotation.
+      - name: Retrive release message
+        run: |
+          echo 'RELEASE_MSG<<EOF' >> $GITHUB_ENV
+          git fetch --tags --force && git tag -l --format='%(contents)' ${{ needs.get-tag.outputs.tag }} >> $GITHUB_ENV
+          echo 'EOF' >> $GITHUB_ENV
       - name: Release
         uses: softprops/action-gh-release@v1
         with:
           draft: true
-          body_path: CHANGELOGS/${{ needs.get-tag.outputs.tag }}.md
+          body: ${{ env.RELEASE_MSG }}
           files: |
             binary.*/*
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -1,6 +1,9 @@
 name: test
-on: push
-
+on:
+  push:
+    branches:
+      - '*'
+      - '!master'
 jobs:
   test:
     runs-on: ubuntu-latest