NextAuth Works Locally but Fails in Production
How to debug NextAuth when it works locally but fails in production, covering callback URLs, cookies, secrets, middleware, providers, and Vercel.
Articles
Next.js, page 2 of 4
Next.js turns React into a full web platform, which means framework choices soon become architecture and operational choices. These articles cover how rendering and routing decisions carry into migration and deployment work, including the production cases where the framework's convenient default is not the right boundary.
NextAuth Works Locally but Fails in Production. 
Why Next.js Builds Time Out on Vercel. Why Next.js Builds Time Out on Vercel
Debug Next.js build timeouts on Vercel by checking route generation, CMS data fan‑out, memory pressure, image work, caching, logs, and platform limits.
React Developer vs. Next.js Developer: What Actually Changes in Production. React Developer vs. Next.js Developer: What Actually Changes in Production
React developer vs. Next.js developer explained through production concerns: rendering, routing, caching, SEO, deployment, CMS data, and debugging.
Next.js Site Broke After Deploy: A Production Triage Checklist. Next.js Site Broke After Deploy: A Production Triage Checklist
A Next.js production triage checklist for broken deploys, covering rollback decisions, logs, environment drift, routes, auth, CMS data, and cache.
Next.js Proxy Replaces Middleware: What Changes in Practice. Next.js Proxy Replaces Middleware: What Changes in Practice
Next.js Proxy replaces Middleware in v16. See what changed, how to migrate to proxy.ts, and when request‑time interception still belongs in production.
CMS Content Not Updating in Next.js. CMS Content Not Updating in Next.js
A production runbook for stale CMS content in Next.js, covering webhooks, route dependencies, ISR, cache boundaries, preview, and editor trust.
Handling API Routes in Next.js: When to Use Server Actions vs. API Routes. Handling API Routes in Next.js: When to Use Server Actions vs. API Routes
Next.js gives us two ways to handle back‑end logic: API Routes and Server Actions. Here, I clearly explain when to choose each approach for the best results.
Technical SEO Launch Criteria for a Next.js Migration. Technical SEO Launch Criteria for a Next.js Migration
Technical SEO launch criteria for Next.js migrations, covering URLs, redirects, canonicals, metadata, rendered HTML, schema, sitemaps, and recovery.
Caching Across React, Next.js and Serverless Applications. Caching Across React, Next.js and Serverless Applications
Compare client‑side React caching, Next.js SSG, ISR and SSR caching, and Redis‑backed caches for reliable serverless data fetching and persistence.
Traffic Dropped After a WordPress to Next.js Migration: What to Check First. Traffic Dropped After a WordPress to Next.js Migration: What to Check First
How to diagnose traffic loss after a WordPress to Next.js migration by checking redirects, rendered HTML, metadata, canonicals, and tracking noise.
WordPress to Next.js Migration Checklist for Content, Preview and SEO. WordPress to Next.js Migration Checklist for Content, Preview and SEO
A WordPress to Next.js migration checklist for URLs, content models, media, preview, redirects, metadata, schema, sitemaps, SEO, and launch checks.
Next.js Sitemap, Robots, and Crawlability Debugging Checklist. Next.js Sitemap, Robots, and Crawlability Debugging Checklist
A Next.js crawlability checklist for debugging sitemaps, robots.txt, canonicals, route generation, redirects, staging leaks, missing pages, and indexation.
React SPA to Next.js Migration Checklist for SEO and Indexing. React SPA to Next.js Migration Checklist for SEO and Indexing
A React SPA to Next.js SEO migration checklist for preserving indexing, redirects, metadata, rendered HTML, internal links, crawl paths, and launch confidence.
When Next.js 15.5.5 Middleware Does Not Fire in Pages Router. When Next.js 15.5.5 Middleware Does Not Fire in Pages Router
A version‑specific investigation into Next.js 15.5.5 Middleware not firing in Pages Router, with checks, workarounds and Next.js 16 Proxy context.
Optimising Next.js Performance with Incremental Static Regeneration (ISR). Optimising Next.js Performance with Incremental Static Regeneration (ISR)
How ISR improves Next.js performance by mixing static speed with controlled freshness, and where it fits best over fully dynamic rendering for changing content.
Building a Headless CMS‑Powered Site with Next.js. Building a Headless CMS‑Powered Site with Next.js
Build a headless CMS‑powered Next.js site with content modelling, fetch layers, mapped front‑end data, preview support, and scalable rendering choices.
Building Multi‑Tenant Applications with Next.js. Building Multi‑Tenant Applications with Next.js
Multi‑tenant applications serve multiple customers from a single codebase. Here, I walk through building a scalable multi‑tenant web application using Next.js.
From Netlify Deploys to Vercel Pipelines. From Netlify Deploys to Vercel Pipelines
How deployment expectations moved from simple Netlify static deploys towards Vercel pipelines, previews, framework builds, observability, and rollback.