fix: drop 1.12 due to Application.compile_env issues #7

	name: CI

	on:
	push:
	branches: ["*"]

	env:
	MIX_ENV: test

	jobs:
	test:
	name: OTP ${{ matrix.otp }} / Elixir ${{ matrix.elixir }} / Rust ${{ matrix.rust }}
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	elixir: ["1.13", "1.14", "1.15"]
	otp: ["23", "24", "25", "26"]
	rust: ["stable"]
	exclude:
	- elixir: "1.14"
	otp: "24"
	- elixir: "1.13"
	otp: "25"
	- elixir: "1.13"
	otp: "26"
	- elixir: "1.15"
	otp: "23"

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	- uses: erlef/setup-beam@v1
	with:
	otp-version: ${{ matrix.otp }}
	elixir-version: ${{ matrix.elixir }}
	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	override: true
	- name: Cache Elixir deps
	uses: actions/cache@v3
	with:
	path: \|
	deps
	_build
	key: deps-cache-${{ matrix.elixir }}-${{ matrix.otp }}-${{ hashFiles('**/mix.lock') }}
	restore-keys: \|
	deps-cache-${{ matrix.elixir }}-${{ matrix.otp }}-
	- name: Cache Rust deps
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/bin/
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	key: ${{ matrix.rust }}-cargo-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: ${{ matrix.rust }}-cargo-
	- name: Install elixir dependencies
	run: mix do local.hex --force, local.rebar --force, deps.get
	- name: Check code formatting
	run: mix format --check-formatted
	- name: Compile dependencies
	run: mix deps.compile
	- name: Compile code (warnings as errors)
	run: mix compile --warnings-as-errors
	- name: Run tests
	run: mix test
	- name: Create docs
	run: mix docs

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