Lucia Auth
Medium — good to knowSecurity
ELI5 — The Vibe Check
Lucia Auth is the 'I want to understand my auth' library. It doesn't abstract away sessions into magic — it gives you the primitives (create session, validate session, invalidate session) and you wire them up. More work, more clarity, zero mystery.
Real Talk
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Related Terms
Clerk
Clerk is auth for developers who hate building auth UI.
beginnerSecurity
JWT (JSON Web Token)
A JWT is a special kind of token that contains information inside it. It has three parts: a header, a payload (with your user ID, role, etc.
intermediateBackend
NextAuth
NextAuth is the 'build your own auth but with guardrails' option.
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Passport.js
Passport.js is the oldest auth library still standing in Node.js.
intermediateSecurity