feat: Add goreleaser GitHub Action to automatically generate binary o…

…utput when new releases are created

See https://github.com/TsekNet/aukera/releases/tag/v1.0.2 for an example.

PiperOrigin-RevId: 418980265

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: release
+
+on:
+  push:
+    # Only create artifacts when there is a semantic-versioned release on GitHub (ex: v1.0.1)
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.15.x
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          distribution: goreleaser
+          version: latest
+          args: release --rm-dist -f .goreleaser.yml
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,21 @@
+# Make sure to check the documentation at https://goreleaser.com
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod tidy
+builds:
+  # Custom environment variables to be set during the builds.
+  - env:
+      - CGO_ENABLED=0
+    # For more info refer to: https://golang.org/doc/install/source#environment
+    goos:
+      - linux
+      - windows
+    goarch:
+      - amd64
+archives:
+  # Optionally override the matrix generation and specify only the final list of targets.
+  - format: binary
+    name_template: "{{ tolower .ProjectName }}_{{ .Os }}"
+checksum:
+  name_template: "checksums.txt"

README.md

@@ -1,6 +1,7 @@
 # Aukera
 
 [![Go Tests](https://github.com/google/aukera/workflows/Go%20Tests/badge.svg)](https://github.com/google/aukera/actions?query=workflow%3A%22Go+Tests%22)
+[![release](https://github.com/TsekNet/aukera/actions/workflows/release.yml/badge.svg)](https://github.com/TsekNet/aukera/actions/workflows/release.yml)
 
 Aukera is a tool developed at Google for scheduling maintenance windows
 discoverable via a local API.
@@ -32,7 +33,14 @@ afterward.
 
 ## Getting Started
 
-Build It!
+Pre-compiled binaries are available as
+[release assets](https://github.com/google/aukera/releases).
+
+Building Aukera manually:
+
+1.  Clone the repository
+1.  Install any missing imports with `go get -u`
+1.  Run `go build C:\Path\to\aukera\src`
 
 ## Disclaimer