format app name as string, enclose log message in string

server.py

@@ -10,7 +10,7 @@ from functools import wraps
 
 app = Flask(__name__)
 
-logfmt = logging.Formatter('time=%(asctime)s level=%(levelname)s app=%(name) msg=%(message)s')
+logfmt = logging.Formatter('time=%(asctime)s level=%(levelname)s app=%(name)s msg="%(message)s"')
 
 logrotate = RotatingFileHandler(
     '/var/log/login/server',