Full-stack & DevOps

🔑 End-to-end authentication

The complete login flow: sessions vs tokens (JWT), how the front-end stores and attaches the credential, how the back-end verifies it, roles and security best practices.

What you'll learn

Choose between session cookies and JWT tokens based on where the credential should live and its risks
Implement the complete login flow: issue, attach, verify signature and expiry of a token
Secure routes with a requireAuth middleware and apply role-based access control
Apply best practices: hash passwords, enforce HTTPS and manage expiry and refresh

Lessons

Sessions vs tokens: where the credential livesSession cookies versus JWT, and their risks. The full flow: from login to the protected routeLogin, issuance, attach, verify and refresh. Security best practicesHash passwords, HTTPS, expiry and revocation.

Practice this module in the app

DevPath is a hands-on course: you read the theory here; in the app you put it into practice with exercises that really run, offline.

Start free in the app →