I am currently working on a Rest-API using Golang. That API includes authentication so I manage to save the sessions id in a map. Everything is working very well, but now am wondering if I should save the sessions id in the database. I am thinking in things like security, memory usage, performance and standars used in the industry. So which is the best approach to make it? Thank you very much
If you are making a RESTful API as you are, consider using authentication bearer tokens instead. You may wish to consider using JSON Web Tokens for that. A RESTful service wants to have as little (preferably none) server side state as possible.
As this is a Go question, a good library for using JWT and JWE is go-jose from Square.