axum https://github.com/tokio-rs/axum sqlx https://github.com/launchbadge/sqlx https://github.com/launchbadge/realworld-axum-sqlx/ https://github.com/launchbadge/realworld-axum-sqlx/blob/837713af32fce83d544993a3d8f7664cbe3354b8/src/http/users.rs output debug info cors see https://docs.rs/tower-http/latest/tower_http/cors/index.html patch todo unit test security