It took us 10 minutes to run a production-ready Zulip server. The installation script handles everything without any issues.

https://zulip.readthedocs.io/en/latest/production/install.ht...

> just to run a chat

Don't overlook the fact that this is a scalable and stable solution used by many companies with thousands of users for each instance. I would have my doubts about the project if it wouldn't use those components.