Server mode

Get Endpoint via Float16

This tutorial guides you through deploying a simple FastAPI "Hello World" application using Float16's deployment mode.

• Float16 CLI installed

• Logged into Float16 account

• VSCode or preferred text editor recommended

Step 1 : Prepare Your Script

https://github.com/float16-cloud/examples/tree/main/official/deploy/fastapi-helloworld

(server.py)

import os
import uvicorn
import asyncio
from fastapi import FastAPI
from fastapi.responses import JSONResponse
from utils import *
app = FastAPI()

@app.get("/hello")
async def read_root():
    return {"message": f"{say_hello() say_world()}"}

async def main():
    config = uvicorn.Config(
        app, host="0.0.0.0", port=int(os.environ["PORT"])
    )
    server = uvicorn.Server(config)
    await server.serve()

(utils.py)

def say_hello():
    return "hello"
    
def say_world():
    return "world"

• Save the script in a selected folder

• Navigate to the folder in your terminal

• Ensure the port is set to "port=int(os.environ['PORT'])"

• Ensure the server is serve with "async def main"

Step 2 : Create project

float16 project create --instance h100

Resulting Files

• float16.conf: Contains your project ID

• requirements.txt: Initially empty

If you cannot create new project, learn more

Step 3 : Deploy Script

float16 deploy server.py

After successful deployment, you'll receive:

• Function Endpoint

• Server Endpoint

• API Key

Example:

Function Endpoint: http://api.float16.cloud/task/run/function/x7x2DFl8zU   
Server Endpoint: http://api.float16.cloud/task/run/server/x7x2DFl8zU       
API Key: float16-r-QoZU7uNlgDIFJ5IMrBtOCjuzVBlC

## curl
curl -X GET "{FUNCTION-URL}/hello" -H "Authorization: Bearer {FLOAT16-ENDPOINT-TOKEN}"

curl -X GET "http://api.float16.cloud/task/run/function/x7x2DFl8zU/hello" -H "Authorization: Bearer float16-r-QoZU7uNlgDIFJ5IMrBtOCjuzVBlC"

Step 4 : Endpoint Request

Use the provided endpoints with the API key (bearer token) to make requests.

Endpoint Request Example:

• Path: /hello

• Expected Response: {"message": "Hello World!"}

To understand the differences between function and server modes, refer to the dedicated section.

Congratulations! You've successfully use your first server mode on Float16's serverless GPU platform.

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Happy coding with Float16 Serverless GPU!