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"""
FastAPI Application - Main Entry Point
"""
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from app.core.config import get_settings
from app.core.logging import get_logger, setup_logging
from app.presentation.api.v1.endpoints import router as api_router
settings = get_settings()
setup_logging(settings.log_level)
logger = get_logger(__name__)
@asynccontextmanager
async def lifespan(app: FastAPI):
"""Application lifespan manager"""
logger.info("application_startup", version=settings.app_version, env=settings.environment)
# TODO: Initialize database connection pool
# TODO: Initialize Qdrant collection
# TODO: Warm up embedding model
yield
# Cleanup
logger.info("application_shutdown")
app = FastAPI(
title=settings.app_name,
version=settings.app_version,
description="Production-ready RAG backend for corporate employee onboarding",
lifespan=lifespan,
)
# CORS
app.add_middleware(
CORSMiddleware,
allow_origins=settings.cors_origins,
allow_credentials=settings.cors_allow_credentials,
allow_methods=["*"],
allow_headers=["*"],
)
# Include routers
app.include_router(api_router)
@app.get("/")
async def root():
"""Root endpoint"""
return {
"service": settings.app_name,
"version": settings.app_version,
"status": "running",
"environment": settings.environment,
}
@app.exception_handler(Exception)
async def global_exception_handler(request, exc):
"""Global exception handler"""
logger.error("unhandled_exception", error=str(exc), exc_info=True)
return JSONResponse(
status_code=500,
content={"error": "Internal server error", "detail": str(exc)},
)
if __name__ == "__main__":
import uvicorn
uvicorn.run(
"app.main:app",
host=settings.host,
port=settings.port,
reload=settings.debug,
log_level=settings.log_level.lower(),
)
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