Not sure how you expect anyone to answer this as you have provided absolutely no information other than you plan to use .net. What’s the purpose of the server?

Not sure how you expect anyone to answer this as you have provided absolutely no information other than you plan to use .net. What’s the purpose of the server? Who’s the audience? What will it be doing? What sort of volume will it expect? One does not simply create an API server! And there a lot more to it - I’m no expert but my recent foray into this involved a front end API server in the DMZ, and a backend handler (both running under Kubernetes), RabbitMq , Redis, Sql Server and Postgres. Does this API server even need a database? If so, why? Questions, questions, questions…