Developing and Testing an Asynchronous API with FastAPI and Pytest

Objectives

By the end of this tutorial you should be able to:

• Develop an asynchronous RESTful API with Python and FastAPI
• Practice Test-driven Development
• Test a FastAPI app with pytest
• Interact with a Postgres database asynchronously
• Containerize FastAPI and Postgres inside a Docker container
• Parameterize test functions and mock functionality in tests with pytest
• Document a RESTful API with Swagger/OpenAPI