Update app/main.py

app/main.py

@@ -14,7 +14,7 @@ client = Client(SPACE_ID)
 
 # Security setup
 security = HTTPBearer()
-VALID_API_KEY = "sk-1234"  # Replace with your actual API key
+VALID_API_KEY = os.getenv("API_KEY")  # Replace with your actual API key
 
 async def get_api_key(credentials: HTTPAuthorizationCredentials = Depends(security)):
     if credentials.scheme != "Bearer":