NextJS Middleware localhost

1

I deployed a NextJS app on Render. I’m using a middleware to redirect logged out users to my login page (based on Supabase Auth with Next.js | Supabase Docs). However, when I’m deployed on Render, the host URL and port seem incorrect:

Mar 17 10:20:23 AM    req: {
Mar 17 10:20:23 AM    cookies: RequestCookies {},
Mar 17 10:20:23 AM    geo: {},
Mar 17 10:20:23 AM    ip: undefined,
Mar 17 10:20:23 AM    nextUrl: {
Mar 17 10:20:23 AM    href: 'http://localhost:10000/',
Mar 17 10:20:23 AM    origin: 'http://localhost:10000',
Mar 17 10:20:23 AM    protocol: 'http:',
Mar 17 10:20:23 AM    username: '',
Mar 17 10:20:23 AM    password: '',
Mar 17 10:20:23 AM    host: 'localhost:10000',
Mar 17 10:20:23 AM    hostname: 'localhost',
Mar 17 10:20:23 AM    port: '10000',
Mar 17 10:20:23 AM    pathname: '/',
Mar 17 10:20:23 AM    search: '',
Mar 17 10:20:23 AM    searchParams: URLSearchParams {  },
Mar 17 10:20:23 AM    hash: ''
Mar 17 10:20:23 AM  },

Based on the discussion in Hostname of request object in middleware is always 'localhost' · Issue #37536 · vercel/next.js · GitHub, it seems like I can rewrite the host (and the port) – is this the recommended way of dealing with this? I didn’t have the problem on Vercel and am wondering how to handle this more gracefully.

1 Like
2

Seems like you need to tell the middleware the URL of your site so it directs to that instead of localhost - does https://supabase.com/docs/guides/auth/auth-helpers/nextjs#set-up-environment-variables help in anyway?

Regards,

John B

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