Vercel Error: ENOENT no such file or directory

Question

I'm building a static blog using Nextjs 13 and deploying it on Vercel. I builded and started the project locally and everything was working, but on Vercel I got this error:

ERROR Error: ENOENT: no such file or directory, open 'posts/second.md' at Object.openSync (node:fs:600:3) at Object.readFileSync (node:fs:468:35) at getPostBySlug (/var/task/.next/server/chunks/207.js:146:63) at Post (/var/task/.next/server/app/posts/[slug]/page.js:603:52) at T (/var/task/.next/server/chunks/760.js:11441:25) at Ma (/var/task/.next/server/chunks/760.js:11604:33) at Array.toJSON (/var/task/.next/server/chunks/760.js:11397:32) at stringify () at V (/var/task/.next/server/chunks/760.js:11696:53) at ping (/var/task/.next/server/chunks/760.js:11496:43) { errno: -2, syscall: 'open', code: 'ENOENT', path: 'posts/second.md'}

The error happens when I go to the "/posts/second" route for example, not in the main page

This is the code interested:

const getPostBySlug = (slug: string) => {
const folder = "posts/";
const file = `${folder}${slug}.md`;
const content = fs.readFileSync(file, "utf8");
return matter(content)
};

The posts folder is located in the root folder.

I tried to modify the next config by adding the output option and setting it to 'standalone':

const nextConfig = {
   // config
   output: 'standalone',
}

I also tried to modify the path to locate the folder but nothing seems to work.

If more information is needed. project is published on GitHub

Answer 1

I solved my problem by looking at a tutorial provided by Vercel, so thanks to this line of code path.join(process.cwd(), 'posts'); the folder path is resolved.

Answer 2

(Not sure if this is the exact same problem!)

I solved it by removing the "api" folder from the pages directory.

• Pre-build, and check if al the pages get build statically indicated by: '○' or '●' and non dynamic: 'λ'
• In my case the app did not deploy on Vercel.
• (Don't know why the error references a completely different file)

feel free to correct me if I'm wrong just hoping people don't go ghost hunting (like me) when it might be an easy fix =)