Add goreleaser action

.github/workflows/goreleaser.yml

@@ -0,0 +1,45 @@
+name: goreleaser
+
+on:
+  push:
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+  packages: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: true
+
+      # We need buildx so we can do multi-arch Docker builds with goreleaser
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # Goreleaser's auto-login doesn't work as expected, so we work around it
+      # by manually logging in using the actions provided GITHUB_TOKEN.
+      - uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v6
+        with:
+          # either 'goreleaser' (default) or 'goreleaser-pro'
+          distribution: goreleaser
+          version: '~> v2'
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yaml

@@ -1,3 +1,5 @@
+version: 2
+
 project_name: base16-builder-go
 builds:
 - env: