add mongo db credential to env variables

src/db/mongo_manager.py

@@ -1,9 +1,11 @@
 import datetime
 import logging
+import os
 import time
-from pymongo import MongoClient
 from typing import Union
 
+from pymongo import MongoClient
+
 from src.pojo.LinkPojo import LinkPojo
 from src.pojo.ReserveResultPojo import ReserveResultPojo
 from src.pojo.ResultEnum import ResultEnum
@@ -30,7 +32,7 @@ CONTACT_LIST_SERIAL_MAP = "CONTACT_LIST_SERIAL_MAP"
 
 class MongoDbManager:
     def __init__(self):
-        client = MongoClient(MONGO_DB_URL, username='appointment', password='Rdv@20222021', authSource='appointment',
+        client = MongoClient(MONGO_DB_URL, username=os.environ.get("MONGO_USERNAME"), password=os.environ.get("MONGO_PASSWORD"), authSource=os.environ.get("MONGO_AUTH_SOURCE"),
                              connectTimeoutMS=60 * 1000)
         self.db = client.appointment
         self.logger = logging.getLogger("mongoDb")