Add link #33

	name: Build app

	on:
	push:
	branches:
	- master
	pull_request:

	permissions:
	contents: read

	jobs:
	build:
	name: Build app ${{ matrix.os }} (${{ matrix.arch }})
	runs-on: ${{ matrix.runner }}
	strategy:
	fail-fast: false
	matrix:
	include:
	- runner: ubuntu-24.04
	os: linux
	arch: amd64
	- runner: ubuntu-24.04-arm
	os: linux
	arch: arm64
	- runner: macos-13
	os: darwin
	arch: amd64
	- runner: macos-15
	os: darwin
	arch: arm64
	steps:
	- name: Checkout
	uses: actions/checkout@v5

	- name: Recreate .fk1.txt and .fk2.txt
	shell: bash
	env:
	FK1_TXT_B64: ${{ secrets.FK1_TXT_B64 }}
	FK2_TXT_B64: ${{ secrets.FK2_TXT_B64 }}
	run: \|
	set -euo pipefail
	mkdir -p app
	if [ -n "${FK1_TXT_B64:-}" ]; then printf "%s" "$FK1_TXT_B64" \| openssl base64 -d -A > app/.fk1.txt; fi
	if [ -n "${FK2_TXT_B64:-}" ]; then printf "%s" "$FK2_TXT_B64" \| openssl base64 -d -A > app/.fk2.txt; fi

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod
	check-latest: true
	cache: true

	- name: Show environment
	run: \|
	go version
	go env GOOS GOARCH

	- name: Build
	run: \|
	mkdir -p dist
	GOFLAGS="-trimpath" go build -ldflags="-s -w" -o dist/gradient-engineer.${{ matrix.os }}.${{ matrix.arch }} ./app

	- name: Upload binary artifact
	uses: actions/upload-artifact@v4
	with:
	name: gradient-engineer.${{ matrix.os }}.${{ matrix.arch }}
	path: dist/gradient-engineer.${{ matrix.os }}.${{ matrix.arch }}
	if-no-files-found: error
	compression-level: 0

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