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File size: 1,757 Bytes
e251d62 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | """FastAPI entrypoint for the KORA AI backend."""
from __future__ import annotations
import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from app.routes.chat import router as chat_router
from app.services.model_service import ModelService
from app.services.prompt_service import PromptService
from app.utils.config import settings
def configure_logging() -> None:
"""Configure centralized application logging."""
logging.basicConfig(
level=getattr(logging, settings.log_level.upper(), logging.INFO),
format="%(asctime)s | %(levelname)s | %(name)s | %(message)s",
)
@asynccontextmanager
async def lifespan(app: FastAPI):
"""Initialize shared services for app lifecycle."""
configure_logging()
prompt_service = PromptService(settings=settings)
model_service = ModelService(settings=settings)
app.state.prompt_service = prompt_service
app.state.model_service = model_service
await model_service.startup()
logging.getLogger(__name__).info("KORA backend initialized")
try:
yield
finally:
await model_service.shutdown()
app = FastAPI(
title=settings.app_name,
version="1.0.0",
lifespan=lifespan,
)
app.include_router(chat_router)
@app.get("/healthz", tags=["health"])
async def healthz() -> dict[str, str]:
"""Liveness/readiness probe for orchestrators and HF Spaces."""
return {"status": "ok", "service": settings.app_name}
@app.get("/", tags=["root"])
async def root() -> dict[str, str]:
"""Simple root route so HF Space URL does not return 404."""
return {
"service": settings.app_name,
"status": "ok",
"health": "/healthz",
"chat": "/v1/chat/completions",
}
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