
Next.js Build Failing on Vercel: How to Find the First Real Failure
A practical way to debug failing Next.js builds on Vercel, from first useful error lines and environment drift to route generation and memory pressure.

A practical way to debug failing Next.js builds on Vercel, from first useful error lines and environment drift to route generation and memory pressure.

How to debug NextAuth when it works locally but fails in production, covering callback URLs, cookies, secrets, middleware, providers, and 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.

A Next.js production triage checklist for broken deploys, covering rollback decisions, logs, environment drift, routes, auth, CMS data, and cache.

A production runbook for stale CMS content in Next.js, covering webhooks, route dependencies, ISR, cache boundaries, preview, and editor trust.

How deployment expectations moved from simple Netlify static deploys towards Vercel pipelines, previews, framework builds, observability, and rollback.

When you set up a custom domain in Vercel, the default `vercel.app` subdomain still serves your site, which can lead to duplicate content. Here's how to fix it.