Category

Next.js

Guides, bug fixes, and best practices for building production apps with Next.js.

R
Cloud StorageNext.js

R2 Presigned PUT 403: Hidden Header Traps (2026)

Fix Cloudflare R2 presigned PUT 403s caused by header mismatches (Content-Type, checksums, CORS). A dev checklist you can use today.

Akshit AhujaAkshit AhujaFeb 24, 2026
V
Next.jsDevOps

Vercel Cron Jobs Not Running? 6 Silent Fails (2026)

Vercel Cron Jobs can fail with zero logs. Here are 6 real causes in 2026, plus fixes for redirects, caching, secrets, and WAF.

Yatish GoelYatish GoelFeb 23, 2026
N
Next.js

Next.js Middleware Ate My POST Body (2026 Fix)

Fix empty POST bodies in Next.js when middleware runs on Netlify/Vercel: root causes, real fixes, and what to ship in 2026.

Yatish GoelYatish GoelFeb 22, 2026
F
DevOpsNext.js

Fix Inngest 401s on Vercel (2026)

Inngest hitting 401/403 on Vercel? Deployment Protection is usually the cause. Here’s the bypass fix, plus safer options.

Akshit AhujaAkshit AhujaFeb 20, 2026
R
Cloud StorageNext.js

R2 Presigned Upload 403 Fix (Next.js 2026)

Fix Cloudflare R2 presigned upload 403s in Next.js: CORS, signed headers, Content-Type traps, and Vercel gotchas (2026).

Akshit AhujaAkshit AhujaFeb 20, 2026
N
Next.jsAuthentication

Next.js PPR Auth Gotchas: Static Bail Out (2026)

Next.js PPR can break builds when auth reads headers/cookies in the wrong place. Here’s the fix playbook we use in 2026.

Yatish GoelYatish GoelFeb 19, 2026
B
MigrationsNext.js

Bubble to Next.js Cutover Plan (2026)

A practical cutover plan for migrating a Bubble app to Next.js in 2026, with real timelines, costs, and the stuff that breaks.

Mahima AroraMahima AroraFeb 16, 2026
N
AuthenticationNext.js

NextAuth + Turnstile Redirect Loops (2026 Fix)

Fix the NextAuth + Cloudflare Turnstile redirect loop in Next.js App Router with middleware order, cookies, and callback URLs (2026).

Yatish GoelYatish GoelFeb 15, 2026
V
Next.jsDevOps

Vercel Cron Runs Twice on Deploy (2026 Fix)

Stop Vercel Cron endpoints firing on deploy or twice per schedule. A 2026 playbook for idempotency, headers, and safe guards.

Yatish GoelYatish GoelFeb 12, 2026
r
Next.js

revalidatePath in setTimeout Bug (2026)

In Next.js App Router, revalidatePath/revalidateTag can silently no-op inside setTimeout. Here’s how to spot it and ship safe fixes in 2026.

Yatish GoelYatish GoelFeb 11, 2026
S
Next.jsStripe

Server Actions: Stop Double Charges (2026)

Fix double-submit Server Actions with idempotency keys, Redis rate limits, and retry-safe patterns (Next.js in 2026).

Yatish GoelYatish GoelFeb 10, 2026
N
AuthenticationNext.js

Next.js Proxy Auth Loops with Clerk (2026)

Next.js renamed middleware to proxy. Here’s how that can break Clerk auth and how to stop 307 sign-in loops fast in 2026.

Yatish GoelYatish GoelFeb 9, 2026
N
StripeNext.js

Next.js + Stripe Webhook Double-Credit Bug (2026)

Fix the common Next.js + Stripe double-credit bug: two writers, retries, and races. Patterns, costs, and a clean idempotent design (2026).

Akshit AhujaAkshit AhujaFeb 7, 2026
N
Next.jsDevOps

Next.js Proxy Redirect Loops Behind a Load Balancer (2026)

Fix Next.js Proxy redirect loops behind load balancers: forwarded headers, matchers, trailing slash wars, and the localhost redirect bug (2026).

Yatish GoelYatish GoelFeb 5, 2026
V
Next.jsAI & Automation

Vercel Function Timeouts for AI in 2026

Shipping AI on Next.js + Vercel? Why routes hit 10s/60s limits in prod, plus fixes that actually work in 2026.

Yatish GoelYatish GoelFeb 2, 2026