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v0 prototype to production
v0 is strongest at what users see: polished Next.js pages built from shadcn/ui components. Recent versions add databases, Git and server code, yet many v0 projects still stop at the edge of the interface, with mock data, server actions that trust whoever calls them, and API routes that call paid models with no limits. Next.js is the stack I work in every day, so this is the shortest path from demo to launch.
Short answer: Start with the fixed-price Production Audit. I go through your v0 project, list what's mocked, what's missing and what's unsafe, and send a written report in 3 working days with a fixed quote for each piece of real backend work. The $1,200 fee is credited if you go ahead, and refunded in full if the audit finds no real issues. See a sample report.
Async and in writing, no calls. 5.0 from 107 Fiverr reviews.
Next.js App Router, React, Tailwind and shadcn/ui, usually deployed on Vercel, with Supabase, Neon or another marketplace database connected for data.
None of this means the tool is bad. It builds what you ask for, and nobody asks for these.
Lists, dashboards and user profiles read from hardcoded arrays. The UI looks finished, so the gap only shows when the first real user signs up.
A server action is a public endpoint. Generated actions often update records without checking who the caller is or whether they own the record.
API routes that call a paid model with no auth, rate limit or input cap. One script hitting that route can run up a serious bill overnight.
Data fetching and keys in client components, so secrets or private queries end up in the browser bundle.
Pages built screen by screen without a schema designed for how the data relates. Adding teams, roles or billing later becomes a rewrite.
Each item ends up in the written report with a risk level and a fixed price to fix.
If the report does not find at least one issue ranked medium risk or higher, I refund the whole fee and you keep the report. Medium risk means something that could leak data, lose you money or break a feature for users if left alone. Style preferences and small tidy-ups do not count.
See a sample audit reportThe UI v0 generated is usually worth keeping. I keep the components and layout, put a proper data layer and auth underneath, and leave the project in a shape where you can still generate new screens in v0 and drop them in. Hosting can stay on Vercel or move wherever suits you.
All in writing, so every finding, decision and price is on record.
Send a short brief on what the app does and who uses it. I reply by email with an invoice for the fixed fee, and the 3 days start once it is paid and I have read-only repo access.
No calls. You write, I read.
Every issue I find, ranked by how much damage it could do, with a plain-English explanation and a fixed price to fix it.
Yours to keep, even if you hire someone else.
Pick the fixes you want. The audit fee comes off the rescue quote, so the audit is free if we keep working together.
Nothing starts until you approve it in writing.
Critical issues first, then the rest. Every change goes through review and a staging link before it touches production.
You own all code and accounts throughout.
If it still has mock data anywhere, or any server action that changes data without checking the user, not yet. The audit gives you the full list with a price for each item.
Yes. Design changes are only made where the real data or flows need them, such as empty states, loading states and errors the prototype never had to show.
Yes. I'll keep the shadcn/ui setup and file structure v0 expects, so new screens can be generated and wired to the real data layer.
No. Vercel is the easiest fit for a Next.js app, but it can run on any Node host or your own server. The report covers the trade-offs if cost or compliance matters.
A written report in 3 working days, a fixed quote for every fix, and a straight answer on whether to rescue or rebuild.
Full refund if the audit finds nothing ranked medium risk or higher · See a sample report