docs: refine #6

	name: Machinomy CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ubuntu-latest

	services:
	postgres:
	image: postgres:latest
	env:
	POSTGRES_USER: postgres
	POSTGRES_DB: machinomy_test
	POSTGRES_PASSWORD: postgres
	ports:
	- 5432:5432
	options: >-
	--health-cmd="pg_isready -U postgres"
	--health-interval=10s
	--health-timeout=5s
	--health-retries=5

	env:
	PGUSER: postgres
	PGDATABASE: machinomy_test
	NODE_ENV: test

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: 22

	- name: Install Yarn v4
	run: npm install -g yarn@berry

	- name: Configure Yarn v4
	run: yarn set version berry

	- name: Add Yarn to PATH
	run: echo "$HOME/.yarn/bin" >> $GITHUB_PATH

	- name: Install global dependencies
	run: \|
	yarn dlx codecov

	- name: Install dependencies
	run: \|
	yarn

	- name: Set up PostgreSQL
	run: \|
	psql -c 'create database machinomy_test;' -U postgres -d postgres
	psql -c "create user testuser with password 'testpassword' createdb;" -U postgres
	PGPASSWORD='testpassword' psql -c 'create database testdb;' -U testuser -d postgres

	- name: Lint code
	run: yarn run lint

	- name: Build project
	run: yarn run build

	- name: Run tests
	run: yarn run test

	- name: Generate coverage report
	run: yarn run coverage

	- name: Upload coverage to Codecov
	run: bash <(curl -s https://codecov.io/bash) -s packages -t ${{ secrets.CODECOV_TOKEN }}

Provide feedback