[▲ Vercel Community](/) · [Categories](/categories) · [Latest](/latest) · [Top](/top) · [Live](/live) [Help](/c/help/9) # Error 404 (delpoy node.js&express.js app) 164 views · 0 likes · 2 posts Dev Hemul (@dev-hemul) · 2024-08-03 Why does it show me this error? [https://homework-27-07-2024.vercel.app/](https://homework-27-07-2024.vercel.app/)  I want to deploy my application, which is written on node js and express js I have this code structure  The vercel json file has the following code  The package.json file has the following code  Please help) Amy Egan (@amyegan) · 2024-08-04 Hi @dev-hemul. It looks like there's a typo in the configuration file name. It's `versel.json` in the screenshots you shared, but it should be `vercel.json` instead. You should also check out our Express.js with Vercel guide for a walkthrough of the recommended setup and some tips on adapting Express apps to a serverless environment. https://vercel.com/guides/using-express-with-vercel