utils.py

from fastapi import Request

def get_client_ip(request: Request):
    forwarded_for = request.headers.get("x-forwarded-for")
    if forwarded_for:
        return forwarded_for.split(",")[0].strip()
    real_ip = request.headers.get("x-real-ip")
    if real_ip:
        return real_ip
    return request.client.host