Flask framework tutorial code, hosted to practice deployment onto a webhosting service like AWS upon cloneing, it is necessary to run the following commands to set enviroment variables that the application expects to be set and initialize the data base
$ export FLASK_APP=flaskr
$ export FLASK_ENV=development
$ flask init-db
Reference Pages
https://stackoverflow.com/questions/50075375/receiving-and-processing-an-sms-with-twilio-in-python