Create a FastAPI Project in 45 seconds: 6-Line Tutorial

If you want to quickly create a FastAPI project, follow these six simple steps:

1. Create a new directory for your project:

mkdir my_fastapi_project

2. Change into the new directory:

cd my_fastapi_project

3. Create a new Python file for your FastAPI app:

touch main.py

4. Open the main.py file in your favorite text editor and add the following code:

  from fastapi import FastAPI

  app = FastAPI()

  @app.get("/")
  def read_root():
      return {"Hello": "World"}
  

5. Install FastAPI and uvicorn (a lightweight ASGI server) using pip:

pip install fastapi uvicorn

6. Run the FastAPI app using uvicorn:

uvicorn main:app --reload

Congratulations! You have successfully created a FastAPI project in just 45 seconds. You can now access your FastAPI app at http://127.0.0.1:8000/.