Yet Another Flask Tutorial - Part 1

This is the source code for Part 1 of my Yet Another Flask Tutorial.

Installation

Create a Python3 virtual environment and install Flask in it:

$ cd yaft-one
$ python3 -m venv venv
$ source venv/bin/activate
$ pip install flask

Usage

Before running app.py set the APP_CONFIG environment variable to one of config.DevelopmentConfig, config.TestingConfig, config.StagingConfig, or config.ProductionConfig.

$ export APP_CONFIG=config.DevelopmentConfig
$ python app.py