I walk through building user authentication in an Express.js app from the ground up, starting with how HTTP requests, cookies, and sessions work before moving to session IDs and the express-session library. I then cover a login flow with bcrypt-hashed passwords and file-based session persistence, laying groundwork for a future post that will use Passport.js...
While getting a web app ready for alpha testing with real user data, I needed to add login authentication. My post is mostly a recommendation for a video by Valentin Despa that explains the big picture of implementing authentication in an Express app with Passport, a gap left by more detailed tutorials...
