Merge pull request #122 from ganto/feature/release-0.1.1 #3

	---
	name: Release

	on:
	push:
	tags: ['v*']

	jobs:
	release:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	packages: write
	id-token: write

	steps:
	- name: Checkout repository
	uses: actions/checkout@v6
	with:
	fetch-depth: 0
	fetch-tags: true

	- name: Setup Go
	uses: actions/setup-go@v6
	with:
	go-version: 'stable'
	check-latest: true

	- name: Install Cosign
	uses: sigstore/cosign-installer@v4.1.0

	- name: Prepare Ko
	uses: ko-build/setup-ko@v0.9

	- name: Compute build metadata
	env:
	REVISION: ${{ github.sha }}
	run: \|
	{
	echo BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
	echo REVISION="${REVISION}"
	echo VERSION="$(git describe --tags --always)"
	} >> "$GITHUB_ENV"

	- name: Build and publish container image
	env:
	SOURCE_URL: ${{ github.server_url }}/${{ github.repository }}
	ARCHS: amd64,arm64
	IMAGE_TAGS: ${{ github.ref_name }}
	run: make image-build

	- name: Sign container image
	run: cosign sign --yes "$(cat image-ref.out)"

	- name: Extract release notes from CHANGELOG.md
	run: \|
	awk -v tag="${GITHUB_REF_NAME}" '
	/^## \[/ { if (index($0, "## [" tag "]") == 1) { found=1; next } else if (found) { exit } }
	found
	' CHANGELOG.md > release-notes.md
	if [ ! -s release-notes.md ]; then
	echo "Error: No changelog section found for ${GITHUB_REF_NAME} in CHANGELOG.md"
	exit 1
	fi

	- name: Create GitHub Release
	env:
	GH_TOKEN: ${{ github.token }}
	run: gh release create "${GITHUB_REF_NAME}" --title "${GITHUB_REF_NAME}" --notes-file release-notes.md

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