In this tutorial, I will show you how to create a Web Application with Flask! This video the also the first episode of The Battle of the App Frameworks, where 🤩🤩 YOU GET TO CHOOSE THE WINNER! 🤩🤩 Today we will create a simple "Hello World" Application with Flask, which includes: * an HTML template containing the structure of a web page * a CSS stylesheet containing design instructions * a Python backend that communicates with a web server And we will also 🚀DEPLOY🚀 this application for free with Heroku! 😁 This tutorial covers all the basics of Flask, from start to finish! (excluding Javascript interactions, which we will leave for later 😜) ⏰ TIME STAMPS ⏰ 00:00 - Battle of the App Frameworks 00:25 - Flask Overview 01:17 - Flask Directory Structure 01:52 - HTML Structure 06:52 - Python Backend 09:31 - Warning: this is a development server ⛳ 09:42 - Message Flashing 11:04 - A secret key is required 13:38 - CSS Styling 18:05 - CSS doesn't update - Clear Cache! 20:14 - Procfile and Requirements 22:42 - Deploy Flask App with Heroku 24:43 - Thanks for watching! :) ********************************* 🐍 IMPORTANT NOTES/LINKS 🐍 Install Flask 🌶 * Anaconda: conda install -c anaconda flask * PyPI: pip install flask Install Green Unicorn 🦄 $ pip install gunicorn Change Production Server to Development Server: ⛳ $ export FLASK_APP=sayHello $ export FLASK_ENV=development $ flask run Complete project on Github: https://github.com/MariyaSha/greetingApp_FLASK Link to logo from my Kivy App: https://github.com/MariyaSha/SimpleGreetingApp/blob/main/logo.png Beautiful icons are by: https://www.freepik.com/ https://www.flaticon.com/