cleanup(docker): try to reduce parallelism when building dune #153

	name: 'OCaml tests'

	on:
	workflow_dispatch:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main
	jobs:
	build:
	name: Build
	runs-on: '${{ matrix.os }}'
	steps:
	- name: 'Install deps'
	run: bash -c '''case "$(uname)" in
	(Linux) sudo apt update -y && sudo apt-get install -y libev-dev libssl-dev pkg-config; ;;
	(Darwin) brew install libev openssl pkg-config; ;;
	esac'''
	- name: 'Checkout code'
	uses: actions/checkout@v3
	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	override: true
	- name: Cache Rust environment
	uses: Swatinem/rust-cache@v1
	- id: wasmstore-opam-cache
	name: 'OCaml/Opam cache'
	uses: actions/cache@v3
	with:
	key: 'wasmstore-opam-${{ matrix.ocaml-compiler }}-${{ matrix.os }}'
	path: ~/.opam
	- id: wasmstore-dune-cache
	name: 'OCaml/Dune cache'
	uses: actions/cache@v3
	with:
	key: wasmstore-dune-${{ matrix.ocaml-compiler }}-${{ matrix.os }}-${{ hashFiles('src/**') }}-${{ hashFiles('dune-project') }}
	path: _build
	- name: 'Use OCaml ${{ matrix.ocaml-compiler }}'
	uses: ocaml/setup-ocaml@v2
	with:
	ocaml-compiler: '${{ matrix.ocaml-compiler }}'
	- run: opam install . --deps-only -y
	- name: 'Run OCaml tests'
	run: opam exec -- dune runtest
	- name: Generate executable
	run: \|
	opam exec -- dune build
	- name: Save wasmstore executable
	uses: actions/upload-artifact@v3
	with:
	name: wasmstore-${{ runner.platform }}
	path: \|
	_build/install/default/bin/wasmstore
	strategy:
	fail-fast: true
	matrix:
	ocaml-compiler:
	- 5.1
	os:
	- macos-latest
	- ubuntu-latest

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