UPDATE: build/release via Github Actions

.github/workflows/build.yaml

@@ -0,0 +1,47 @@
+name: build
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set some env vars for the build
+        run: |
+          TIMESTAMP=$(date -u +%Y-%m-%dT%H:%M:%SZ)
+          echo "COMMIT=${GITHUB_SHA:0:7}" >> $GITHUB_ENV
+          echo "LASTMOD=${TIMESTAMP}" >> $GITHUB_ENV
+          echo "BUILTBY=build.yaml" >> $GITHUB_ENV
+          echo "IMAGE_NAME=fileformat/ghashboard" >> $GITHUB_ENV
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ env.IMAGE_NAME }}:latest
+          build-args: |
+            COMMIT=${{ env.COMMIT }}
+            LASTMOD=${{ env.LASTMOD }}
+            VERSION=custombuild
+            BUILTBY=${{ env.BUILTBY }}

.github/workflows/release.yaml

@@ -0,0 +1,68 @@
+name: release
+
+on:
+  push:
+    # run only against version tags
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Fetch all tags
+        run: git fetch --force --tags
+
+      - name: Set some env vars for the build
+        run: |
+          TIMESTAMP=$(date -u +%Y-%m-%dT%H:%M:%SZ)
+          echo "COMMIT=${GITHUB_SHA:0:7}" >> $GITHUB_ENV
+          echo "LASTMOD=${TIMESTAMP}" >> $GITHUB_ENV
+          echo "BUILTBY=build.yaml" >> $GITHUB_ENV
+          echo "IMAGE_NAME=fileformat/ghashboard" >> $GITHUB_ENV
+          echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_ENV
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: |
+            ghcr.io/${{ env.IMAGE_NAME }}:${{ env.VERSION }}
+            ghcr.io/${{ env.IMAGE_NAME }}:latest
+          build-args: |
+            COMMIT=${{ env.COMMIT }}
+            LASTMOD=${{ env.LASTMOD }}
+            VERSION=${{ env.VERSION }}
+            BUILTBY=${{ env.BUILTBY }}
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.22.1
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yaml

@@ -0,0 +1,44 @@
+# Make sure to check the documentation at https://goreleaser.com
+before:
+  hooks:
+    - go mod tidy
+builds:
+  - env:
+      - CGO_ENABLED=0
+    ldflags:
+      -  -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}} -X main.builtBy=goreleaser
+    main: ./ghashboard.go
+    goos:
+      - linux
+      - windows
+      - darwin
+
+archives:
+  - format: tar.gz
+    # this name template makes the OS and Arch compatible with the results of uname.
+    name_template: >-
+      {{ .ProjectName }}_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    # use zip for windows archives
+    format_overrides:
+    - goos: windows
+      format: zip
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ incpatch .Version }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'
+
+# The lines beneath this are called `modelines`. See `:help modeline`
+# Feel free to remove those if you don't want/use them.
+# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
+# vim: set ts=2 sw=2 tw=0 fo=cnqoj

Dockerfile

@@ -0,0 +1,30 @@
+FROM golang:1.22-alpine AS builder
+
+RUN apk add --no-cache upx
+
+RUN mkdir /build
+ADD . /build/
+WORKDIR /build
+ARG COMMIT
+ARG LASTMOD
+ARG VERSION
+ARG BUILTBY
+RUN echo "INFO: building for $COMMIT on $LASTMOD"
+
+ENV GO111MODULE=on \
+    CGO_ENABLED=0 \
+    GOOS=linux \
+    GOARCH=amd64
+
+RUN go build \
+        -a \
+        -ldflags "-s -w -X main.commit=$COMMIT -X main.date=$LASTMOD -X main.version=$VERSION -X main.builtBy=$BUILTBY -extldflags '-static'" \
+        -o ghashboard \
+        ./*.go \
+    && upx ghashboard
+
+FROM scratch
+COPY --from=builder /build/ghashboard /bin/ghashboard
+WORKDIR /bin
+ENTRYPOINT ["/bin/ghashboard"]
+

config.go

@@ -37,6 +37,8 @@ func initConfig(args []string) {
 	help := f.Bool("help", false, "Show help")
 	f.MarkHidden("help")
 
+	versionFlag := f.Bool("version", false, "Show version information")
+
 	f.String("log-level", "warn", "Log level [ debug | info | warn | error ]")
 	viper.BindPFlag("log-level", f.Lookup("log-level"))
 	viper.BindEnv("log-level", "LOG_LEVEL", "INPUT_LOG_LEVEL")
@@ -107,6 +109,11 @@ func initConfig(args []string) {
 
 	f.Parse(args)
 
+	if *versionFlag {
+		fmt.Printf("ghashboard v%s (%s built on %s by %s)\n", version, commit, date, builtBy)
+		os.Exit(0)
+	}
+
 	if *help {
 		usage(f)
 		os.Exit(0)

ghashboard.go

@@ -18,6 +18,11 @@ type MetaRepo struct {
 }
 
 var (
+	// version info
+	version string
+	commit  string
+	date    string
+	builtBy string
 
 	// workflow flags
 	IncludeSet map[string]struct{}