Darim Server flosse/rust-web-framework-comparison thecloudmaker/actix_tutorials actix/examples diesel.rs Rust Crypto Yoshua Wuyts, "Error Handling Survey", 2019 Ji-soo Kim, Jong-sub Moon, “A Study on Data Security of Web Local Storage”, JICS, vol.17, no. 3, pp. 55-66, Jun, 2016 main.rs - An entry point of the application. It runs a http server. Routes - A presentation layer that makes API public and passes request/response data to other layers. Services - A business layer that processes the transaction. Models - A data layer that can access the database and define data structures.