touch main.py In main.py , add the following code:
app = FastAPI()
FastAPI is a modern, fast, and scalable web framework for building APIs with Python. In this guide, we explored how to build Python microservices using FastAPI. We covered the basics of FastAPI, its features, and provided a step-by-step guide on building a microservice. touch main
@app.get("/") def read_root(): return {"Hello": "World"} This code defines a simple FastAPI application that returns a JSON response. To run your microservice, use the following command: You should see the following response: pip install
uvicorn main:app --host 0.0.0.0 --port 8000 This command starts the Uvicorn server and runs your FastAPI application. To test your microservice, open a web browser and navigate to http://localhost:8000/ . You should see the following response: touch main.py In main.py
pip install fastapi uvicorn Create a new directory for your project and navigate into it: