postman collection link https://api.postman.com/collections/21271082-56dc19a4-f0c9-430d-8ee4-0dfdfcfa60e9?access_key=PMAT-01HQMJH6B9PE9XPX1035TB4G77 Environment variable db_port=3306 db_host=localhost db_username=shimanshu db_password=shimanshu db_name=exampil Postan documentation https://documenter.getpostman.com/view/21271082/2sA2rDyM3E