test: acmeserver: add smoke test for the ACME server directory #3607

	name: Cross-Build

	on:
	push:
	branches:
	- master
	- 2.*
	pull_request:
	branches:
	- master
	- 2.*

	jobs:
	cross-build-test:
	strategy:
	fail-fast: false
	matrix:
	goos:
	- 'android'
	- 'linux'
	- 'solaris'
	- 'illumos'
	- 'dragonfly'
	- 'freebsd'
	- 'openbsd'
	- 'plan9'
	- 'windows'
	- 'darwin'
	- 'netbsd'
	go:
	- '1.21'

	include:
	# Set the minimum Go patch version for the given Go minor
	# Usable via ${{ matrix.GO_SEMVER }}
	- go: '1.21'
	GO_SEMVER: '~1.21.0'

	runs-on: ubuntu-latest
	continue-on-error: true
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Install Go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.GO_SEMVER }}
	check-latest: true

	- name: Print Go version and environment
	id: vars
	run: \|
	printf "Using go at: $(which go)\n"
	printf "Go version: $(go version)\n"
	printf "\n\nGo environment:\n\n"
	go env
	printf "\n\nSystem environment:\n\n"
	env

	- name: Run Build
	env:
	CGO_ENABLED: 0
	GOOS: ${{ matrix.goos }}
	shell: bash
	continue-on-error: true
	working-directory: ./cmd/caddy
	run: \|
	GOOS=$GOOS go build -trimpath -o caddy-"$GOOS"-amd64 2> /dev/null
	if [ $? -ne 0 ]; then
	echo "::warning ::$GOOS Build Failed"
	exit 0
	fi

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