ASP.NET Core multiple angular app

Question

I have an ASP.NET Core 2.1 and I need to setup workspace for multiple Angular applications with following routing:

http://someurl.com/main -> first app
http://someu

Answer 1

You are registering the Single Page Application (SPA) on the app not the mapped path:

app.Map("/admin", l =>
{
    app.UseSpa(spa =>

Change app to l to fix the issue:

app.Map("/admin", l =>
{
    l.UseSpa(spa =>