most languages have a library that takes a json structure from a file and creates an AP. for eg json-server on node.js, I just use that initially until the "nee

most languages have a library that takes a json structure from a file and creates an AP. for eg json-server on node.js, I just use that initially until the "need" for the db becomes clear ie what data do I need to interact with. After that it's custom all the way - it's more malleable I find