Add .env file for configuration, update db connection to use environment variables, and enhance requirements

main.py

@@ -3,10 +3,24 @@ import logging
 import time
 import os
 import sys
+from dotenv import load_dotenv
+import os
+
+#using .env
+load_dotenv()
+db_name = os.getenv("DB_NAME")
+db_psswd = os.getenv("DB_PASSWORD")
+db_user = os.getenv("DB_USER")
+db_port = os.getenv("DB_PORT") or "3306"
+db_host = os.getenv("DB_HOST")
+if db_host == None:
+    logging.error("no hostname provided")
+    os._exit(1)
+
 
 print("loading")
 open("app.log", "w").close()
-db.connect()
+db.connect(db_user, db_psswd, db_host, int(db_port), db_name)
 #Logging
 logging.basicConfig(
     filename='app.log',  # Log to a file