Rust has picked up a lot of momentum since we last looked at it in 2015. Companies like Amazon and Microsoft have adopted it for a growing number of use cases. Microsoft, for example, sponsors the Actix project on GitHub, which is a general purpose open-source actor framework based on Rust. The Actix project also maintains a RESTful API development framework, which is widely regarded as a fast and performant web framework. Although the project was temporarily on hold in early 2020, the project ownership has moved to a new maintainer, and development continues.
In this article, we will explore the actix-web web framework by writing a small CRUD API using it. Our API will be backed by a Postgres database using Diesel. Finally, we will implement authentication for our API using Auth0