Update app.py

app.py

@@ -1,4 +1,71 @@
-from app.main import app
-
-# This file needs to expose the FastAPI app instance directly
-# Hugging Face will look for the 'app' variable in this file
+import asyncio
+import platform
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import JSONResponse
+from app.core.config import settings
+from app.api.api_v1.api import api_router
+from app.db.database import init_db
+import logging
+import sys
+
+# Configure Windows-specific event loop policy
+if platform.system() == 'Windows':
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
+# Configure detailed logging
+logging.basicConfig(
+    level=logging.DEBUG,
+    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
+    stream=sys.stdout
+)
+logger = logging.getLogger(__name__)
+
+app = FastAPI(
+    title=settings.PROJECT_NAME,
+    openapi_url=f"{settings.API_V1_STR}/openapi.json"
+)
+
+# Configure CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"]
+)
+
+# Include API router
+app.include_router(api_router, prefix=settings.API_V1_STR)
+
+@app.exception_handler(HTTPException)
+async def http_exception_handler(request, exc):
+    return JSONResponse(
+        status_code=exc.status_code,
+        content={"detail": exc.detail}
+    )
+
+@app.get("/")
+async def root():
+    return {"message": "POS Backend API", "version": "1.0.0"}
+
+@app.on_event("startup")
+async def startup_event():
+    try:
+        logger.info("Starting application initialization...")
+        await init_db()
+        logger.info("Database initialized successfully")
+    except Exception as e:
+        logger.error(f"Failed to initialize database: {str(e)}", exc_info=True)
+        raise
+
+if __name__ == "__main__":
+    import uvicorn
+    logger.info("Starting application with Windows-compatible event loop...")
+    uvicorn.run(
+        "app:app",
+        host="0.0.0.0",
+        port=7860,
+        reload=True,
+        log_level="debug"
+    )