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# authentication

User authentication mechanisms

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How to build a secure password reset flow in Next.js (the short version)

How to build a secure password reset flow in Next.js (the short version)

3
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7 min read
The 8 tables behind a real auth system (Postgres schema, explained column by column)

The 8 tables behind a real auth system (Postgres schema, explained column by column)

3
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10 min read
How to build a register user flow in Next.js 15 (frontend, backend, database, email)

How to build a register user flow in Next.js 15 (frontend, backend, database, email)

3
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9 min read
I've built auth six times. Here's the system I would build today

I've built auth six times. Here's the system I would build today

3
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5 min read
I replaced Auth0 with an open source library in 30 minutes. Here is what broke.

I replaced Auth0 with an open source library in 30 minutes. Here is what broke.

2
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7 min read
How to build a login flow in Next.js 15 (sessions, cookies, CSRF, and the timing attack nobody talks about)

How to build a login flow in Next.js 15 (sessions, cookies, CSRF, and the timing attack nobody talks about)

2
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10 min read
Designing Secure Authentication with Access & Refresh Tokens

Designing Secure Authentication with Access & Refresh Tokens

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2 min read
I Built a Self-Hosted Auth System Like Clerk — Here's What I Learned

I Built a Self-Hosted Auth System Like Clerk — Here's What I Learned

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3 min read
Building Authentication From Scratch in Go — No Libraries, No Magic

Building Authentication From Scratch in Go — No Libraries, No Magic

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4 min read
Authentication Systems Explained: JWT vs Sessions (What You Should Actually Use in 2026)

Authentication Systems Explained: JWT vs Sessions (What You Should Actually Use in 2026)

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3 min read
Day 1: Building My Smart Reconciliation and Audit System from Scratch

Day 1: Building My Smart Reconciliation and Audit System from Scratch

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2 min read
API Key Authentication in smallstack: How We Built Secure External Access

API Key Authentication in smallstack: How We Built Secure External Access

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3 min read
Fix Supabase Auth Session Not Persisting After Refresh

Fix Supabase Auth Session Not Persisting After Refresh

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6 min read
Securing HTTP with mTLS: Managing SSL/TLS Certificates for Mutual Authentication

Securing HTTP with mTLS: Managing SSL/TLS Certificates for Mutual Authentication

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12 min read
Secure by Default, Slow by Surprise. What AWS Forgot to Mention About RDS IAM Authentication

Secure by Default, Slow by Surprise. What AWS Forgot to Mention About RDS IAM Authentication

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10 min read
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