Added HAProxy cookbook #142

	# This workflow enables CI checks based on Alpine and Ruby versions.
	# Images used: ruby:a.b-alpine

	name: Ruby

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	test:
	runs-on: "ubuntu-latest"
	strategy:
	matrix:
	container_tag:
	- 3.2-alpine
	- 3.1-alpine
	- 3.0-alpine
	container:
	image: ruby:${{ matrix.container_tag }}
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: \|
	apk update
	apk upgrade --force
	# when using ruby some gems need to get built
	apk add build-base alpine-sdk openssl-dev ruby-dev
	# get git to use gems from github as well
	apk add git
	- name: Update rubygems & bundler
	run: \|
	ruby -v
	gem update --system \| head -n 8
	gem install bundler
	- name: Install gems
	run: \|
	# handle IPv6 issues with bundler
	echo ":ipv4_fallback_enabled: true" > .gemrc
	export GEMRC=".gemrc"
	bundle install
	- name: Run rubocop
	run: \|
	bundle exec rake rubocop
	- name: Run minitest
	run: \|
	bundle exec rake test:all V=1

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