https://fullstackopen.com

	Part	Content
✅	1	JavaScript, React, useState
✅	2	useEffect, forms, fetch, styles
✅	3	Node.js, express, MongoDB, ESLint, app deployment
✅	4	backend integration testing, SuperTest, token authentication
✅	5	frontend unit and e2e testing, Playwright
✅	6	Redux, React Query, useReducer, useContext
✅	7	React Router, custom hooks, Webpack, virtual DOM
✅	8	GraphQL, WebSockets
✅	9	TypeScript with React and express
✅	10	React Native, testing with Jest, pagination
✅	11	CI/CD, GitHub Actions, automatic deployment
✅	12	Docker in development and production, orchestration
✅	13	relational databases, PostgreSQL, Sequelize