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Djamware Tutorial
Djamware Tutorial

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Secure Node.js REST API with JWT and OAuth2 (2025 Edition)

πŸš€ What This Is
In this hands-on tutorial, we build a secure RESTful API from scratch using:

Node.js + Express

PostgreSQL + Sequelize

JWT authentication

Optional OAuth2 password grant support

Modern ES Modules support (type: module)

πŸ“¦ Tech Stack
πŸ”§ Express.js for routing and middleware

πŸ” Passport-JWT for stateless auth

🧠 Sequelize ORM for clean DB access

πŸ’Ύ PostgreSQL for persistent storage

πŸ”„ Optional OAuth2 with express-oauth-server

πŸ“˜ What You’ll Learn
Setting up Sequelize models with ESM

Password hashing with bcrypt

JWT-based sign-up/sign-in flow

OAuth2 optional token flow via /oauth/token

API protection using token-based guards

πŸ“— Full Tutorial
πŸ”— Read on Djamware.com

Includes working code examples, testing with curl/Postman, and modular file structure.

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