Github Actions (#112) #1

	name: Elixir CI

	on: push

	env:
	MIX_ENV: test

	jobs:
	build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	elixir: ["1.13", "1.14", "1.15"]
	otp: ["25", "26"]
	exclude:
	- elixir: 1.13
	otp: 26
	- elixir: 1.14
	otp: 26

	steps:
	- uses: actions/checkout@v3

	- name: Setup elixir
	uses: erlef/setup-beam@v1
	with:
	elixir-version: ${{ matrix.elixir }}
	otp-version: ${{ matrix.otp }}

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

	- name: Install dependencies
	if: steps.mix-cache.outputs.cache-hit != 'true'
	run: \|
	mix local.rebar --force
	mix local.hex --force
	mix deps.get

	- name: Compile & error on warning
	run: mix compile --warnings-as-errors

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

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

	- name: Retrieve PLT cache
	uses: actions/cache@v3
	id: plt-cache
	with:
	path: priv/plts
	key: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-plts-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
	restore-keys: ${{ runner.os }}-${{ matrix.otp }}-${{ matrix.elixir }}-plts-${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}

	- name: Create PLTs
	if: steps.plt-cache.outputs.cache-hit != 'true'
	run: \|
	mkdir -p priv/plts
	mix dialyzer --plt

	- name: Run dialyzer
	run: mix dialyzer --no-check --halt-exit-status

	- name: Run tests
	run: mix coveralls.github

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