Node.js

Event loop overview ★ recommended

Streams overview ★ recommended

Errors and process exit strategy ★ recommended

Env config basics ★ recommended

Logging basics ★ recommended

Express/Fastify overview ★ recommended

Validation patterns ★ recommended

Auth middleware basics ★ recommended

Rate limiting overview ★ recommended

OpenAPI overview ★ recommended

SQL basics ★ recommended

ORM/Query builder overview ★ recommended

Migrations & seeders ★ recommended

Indexes basics ★ recommended

Transactions overview ★ recommended

Unit tests (vitest/jest) basics ★ recommended

Integration tests for APIs ★ recommended

Mocking DB and services ★ recommended

Test data strategy ★ recommended

CI pipeline basics ★ recommended

Caching overview ★ recommended

Queues overview ★ recommended

Monitoring overview ★ recommended

Security checklist overview ★ recommended

Deploy checklist overview ★ recommended