How to create 1000 subcategories in a scalable way?

[cpradio]

So here is how to configure it

Multisite configuration with Docker

While multisite is supported in the Discourse application, this is an advanced sysadmin setup. If you don’t know what you’re doing, do not set up multisite. The Discourse team is unable to provide multisite configuration support. If you wish to host multiple domains on a singled Docker setup, you’ll need a multisite configuration. Here are the basic building blocks for one. Understand hooks Multisite is a fairly advanced topic. Before attempting a multisite build, spend some time…

Then there is this topic
https://meta.discourse.org/t/can-multisite-instances-communicate-with-one-another/8984

But it doesn’t quite answer if signing up pushes your user to all sites defined in the multisite.yaml… @neil, can you answer that?