Use goreleaser with github actions

.github/workflows/build.yml

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+name: build
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: 1.21
+          cache: true
+
+      - name: Build
+        run: go build -v ./...
+
+      - name: Test
+        run: go test -v ./...

.github/workflows/release.yml

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+#
+# Releaser workflow setup
+# https://goreleaser.com/ci/actions/
+#
+name: release
+
+# run only on tags
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write # needed to write releases
+  id-token: write # needed for keyless signing
+  packages: write # needed for ghcr access
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0 # this is important, otherwise it won't checkout the full tree (i.e. no previous tags)
+      - uses: actions/setup-go@v4
+        with:
+          go-version: 1.21
+          cache: true
+      - uses: sigstore/[email protected] # installs cosign
+      - uses: anchore/sbom-action/[email protected] # installs syft
+      - uses: goreleaser/goreleaser-action@v5 # run goreleaser
+        with:
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

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+dist/

.goreleaser.yaml

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+project_name: prometheus-net-discovery
+
+# setups builds for linux and darwin on amd64 and arm64
+# https://goreleaser.com/customization/build
+builds:
+  - env:
+      - CGO_ENABLED=0
+    goos:
+      - linux
+    goarch:
+      - amd64
+    # ensures mod timestamp to be the commit timestamp
+    mod_timestamp: "{{ .CommitTimestamp }}"
+    flags:
+      # trims path
+      - -trimpath
+    ldflags:
+      # use commit date instead of current date as main.date
+      # only needed if you actually use those things in your main package, otherwise can be ignored.
+      - -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{ .CommitDate }}
+
+# proxies from the go mod proxy before building
+# https://goreleaser.com/customization/gomod
+gomod:
+  proxy: true
+
+# config the checksum filename
+# https://goreleaser.com/customization/checksum
+checksum:
+  name_template: "checksums.txt"
+
+# create a source tarball
+# https://goreleaser.com/customization/source/
+source:
+  enabled: true
+
+# creates SBOMs of all archives and the source tarball using syft
+# https://goreleaser.com/customization/sbom
+sboms:
+  - artifacts: archive
+  - id: source # Two different sbom configurations need two different IDs
+    artifacts: source
+
+# signs the checksum file
+# all files (including the sboms) are included in the checksum, so we don't need to sign each one if we don't want to
+# https://goreleaser.com/customization/sign
+signs:
+  - cmd: cosign
+    env:
+      - COSIGN_EXPERIMENTAL=1
+    certificate: "${artifact}.pem"
+    args:
+      - sign-blob
+      - "--output-certificate=${certificate}"
+      - "--output-signature=${signature}"
+      - "${artifact}"
+      - "--yes" # needed on cosign 2.0.0+
+    artifacts: checksum
+    output: true