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I am creating a web app where, this app will generate a .html file in public/ directory. And after that i want to show that generated html file on a page using iframe .

I am using NextJS for this task. I have configured next.config.js for rewrites but getting 404 error. I am using Railway for hosting. Since in Vercel we can not access filesystem here.

Instead of generating html dynamically, if I upload that .html file, then i can access that file using iframe in production.
I think we can not access those files which were not available during build process. (this is my guess , maybe wrong)

How can I solve this problem or should I use another framework ? Thanks

Kheem
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1 Answers1

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Since I was accessing .html files (i.e <iframe src="path-to-file"></iframe>) which were not available during build process, that's why i was getting 404 error.

So I did the following thing: suppose I want to do this <iframe src="/pdf/page01.xhtml"></iframe> where file location is in public/pdf/page01.xhtml.

so this src is sending a GET request to localhost:3000/pdf/page01.xhtml. To manipulate this request I created a pages/api/pdf/[...slug].js. In this file you can use process.cwd() to access the file inside your public dir. You read file content using fs.readFile and send the response res.status(200).send(data) like this.

By doing this I was getting the desired result.

Suggestions are always welcome.

Kheem
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