How to set up multiple domains name on the same project

[pawlean (Pauline P. Narvas)]

Hi, @alek-cendres! Welcome to the Vercel Community.

I’ve seen this question (or something closely related) in the forum, most with solutions:

How to differ between multiple domains in project? #11872

How can I tell which base URL to use my-app.vercel.app, my-app.com or some-other-domain.com in single project? You variables only point on last domain I added in project. This breaks auth URL completelybecause I can’t differ between domain and tell which one to use. I can’t use req.header.host because I call function outside of request route context, it’s in utils If there’s no way, why you offer multiple domains in project? 01

Deploy to multiple domains on a single Vercel project?

Let’s say I own the domain saas.com and want to build a SaaS product. The idea is that users log into a dashboard, customize options (like contact details), and click “Create My Website” to deploy a site to their own domain. The website is the same for every user, except for personalized details like contact info. In fact, 90% of the content of the site IS in fact their personal details. The only thing that’ll be the same across all of them is the booking form. I’m building this with Next.js an…

How to support routing with multiple sub domains

I want to support multiple domains (e.g., app.example.com and admin.example.com). To clarify, I’m not trying to create a multi-tenancy app with custom domains. These subdomains don’t share pages. app.example.com is for normal users and admin.example.com is for admins. Should I create separate apps for each domain, or is there a way to assign separate domains for a set of routes inside a single Next.js project?

Let us know if that helps!