CI #120

	name: CI

	on:
	push:
	pull_request:

	env:
	MIX_ENV: test

	jobs:
	build_and_test:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Extract Elixir and OTP versions from .tool-versions
	id: extract_versions
	run: \|
	elixir_version=$(grep -oP "elixir\s+\K.+" .tool-versions)
	otp_version=$(grep -oP "erlang\s+\K.+" .tool-versions)
	echo "elixir_version=$elixir_version" >> $GITHUB_ENV
	echo "otp_version=$otp_version" >> $GITHUB_ENV

	- name: Set up Elixir
	uses: erlef/setup-elixir@v1
	with:
	elixir-version: ${{ env.elixir_version }}
	otp-version: ${{ env.otp_version }}

	- name: Restore dependencies and _build cache
	uses: actions/cache@v2
	with:
	path: \|
	deps
	_build
	key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	${{ runner.os }}-mix-

	- name: Install dependencies
	run: mix deps.get

	- name: Build project
	run: mix compile

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

	- name: Run tests
	run: mix test

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

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