fix startup error

Dockerfile

@@ -7,4 +7,4 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY . .
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"] 
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"] 

app/main.py

@@ -5,6 +5,7 @@ import json
 from typing import Dict, Any, List
 import asyncio
 from concurrent.futures import ThreadPoolExecutor
+import os
 
 from .config import Settings, get_settings
 from .facebook import FacebookClient
@@ -30,24 +31,40 @@ app.add_middleware(
 settings = get_settings()
 setup_logging(settings.log_level)
 
+logger.info("[STARTUP] Đang lấy PORT từ biến môi trường hoặc config...")
+port = int(os.environ.get("PORT", settings.port if hasattr(settings, 'port') else 7860))
+logger.info(f"[STARTUP] PORT sử dụng: {port}")
+
+logger.info("[STARTUP] Khởi tạo FacebookClient...")
 facebook_client = FacebookClient(settings.facebook_app_secret)
+logger.info("[STARTUP] Khởi tạo SheetsClient...")
 sheets_client = SheetsClient(
     settings.google_sheets_credentials_file,
     settings.google_sheets_token_file,
     settings.conversation_sheet_id
 )
+logger.info("[STARTUP] Khởi tạo SupabaseClient...")
 supabase_client = SupabaseClient(settings.supabase_url, settings.supabase_key)
+logger.info("[STARTUP] Khởi tạo EmbeddingClient...")
 embedding_client = EmbeddingClient()
 
 # Keywords to look for in messages
 VEHICLE_KEYWORDS = ["xe máy", "ô tô", "xe đạp", "xe hơi"]
 
+logger.info("[STARTUP] Mount health router...")
 app.include_router(health_router)
 
-ensure_log_dir()
+logger.info("[STARTUP] Validate config...")
 validate_config(settings)
+
 executor = ThreadPoolExecutor(max_workers=4)
 
+@app.get("/")
+async def root():
+    """Endpoint root để kiểm tra trạng thái app."""
+    logger.info("[HEALTH] Truy cập endpoint root /")
+    return {"status": "ok"}
+
 @app.get("/webhook")
 async def verify_webhook(request: Request):
     """
@@ -173,8 +190,9 @@ def format_search_results(matches: List[Dict[str, Any]]) -> str:
 
 if __name__ == "__main__":
     import uvicorn
+    logger.info("[STARTUP] Bắt đầu chạy uvicorn server...")
     uvicorn.run(
         "app.main:app",
-        host=settings.host,
-        port=settings.port
+        host="0.0.0.0",
+        port=port
     )