update docs #4

	name: Elixir CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest

	services:
	mysql:
	image: mysql:8.0
	env:
	MYSQL_ROOT_PASSWORD: postgres
	MYSQL_DATABASE: realtime_server_test
	ports:
	- 3306:3306
	options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

	steps:
	- uses: actions/checkout@v3

	- name: Set up Elixir
	uses: erlef/setup-beam@v1
	with:
	elixir-version: "1.14.3"
	otp-version: "25.0"

	- name: Cache deps
	uses: actions/cache@v3
	with:
	path: deps
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: ${{ runner.os }}-mix-

	- name: Install dependencies
	run: mix deps.get

	- name: Check formatting
	run: mix format --check-formatted

	- name: Run Credo
	run: mix credo --strict

	- name: Run tests with coverage
	run: mix coveralls.github
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

	- name: Run Dialyzer
	run: mix dialyzer

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