For several days I've had a configuration problem with Nginx that I can't solve. I'm a beginner, and I'd just like to **run my Spring Boot application on the main domain name**, and run simple applications (to test, initially simple HTML pages) on **sub-domains (of the same domain name)**. Preliminary remark: I've built my API with Spring Boot, which uses a TomCat web server. Spring Boot APby WalkingTomRonn - How to...