
I'm building a Next.js 14 application with tRPC and Appwrite for authentication as a way to further my learning, so I may have aspects of this wrong. This is a self-hosted 1.6 version of Appwrite. The T3 Stack was used as a starting point for this app.
I'm encountering an issue where the session cookie is not being set or persisted after a successful login.
Environment:
- Next.js 14 (App Router)
- tRPC
- Appwrite for authentication
- Running on localhost with custom subdomain (my.example.localhost:3000)
Steps to reproduce:
- User navigates to the sign-in page
- User enters credentials and submits the form
- The server successfully authenticates with Appwrite and receives a session token
- The server attempts to set a cookie with the session token
- The user is redirected to the account page
- The middleware checks for the presence of the session cookie
- The cookie is not found, and the user is redirected back to the sign-in page
Expected behaviour: After successful authentication, the session cookie should be set and persisted, allowing the user to access protected routes.
Actual behavior: The session cookie is not being set or persisted, resulting in the user being unable to access protected routes and getting stuck in a redirect loop.
Relevant code (see attached files):
- Auth Router (
src/server/api/routers/auth.ts
): - Middleware (
src/middleware.ts
): - Sign-in Page (
src/app/(auth)/signin/page.tsx
):
Server logs (see attached files):
Browser console logs (see attached files):
I've tried setting the cookie using both the cookies()
API from Next.js and manually setting the Set-Cookie
header. Neither approach seems to result in the cookie being set or persisted in the browser.
Any help or insights would be greatly appreciated. Thank you!

I appreciate a markdown file isn't the easiest way to access the code, so I have a gist with the same code here: https://gist.github.com/danmaby/f34c175459164941f7cbd3a43808b3ed.
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