Coding for Entrepreneurs

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Flask Landing

Learn to build a landing page with the very popular Python Flask Microframework.

Check out how minimal Flask can be:

python

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello():
    return "Hello World!"

That is an entire 1-page web app. All you have to do is fire up gunicorn on Heroku and you've got a 1-page app with very little overhead. Sweet.

The goal of this series is to take this a bit further so we can build and deploy a functional landing page.

Flask Landing

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Lessons

Welcome & Requirements

0:57

Walkthrough

5:37

Create a Virtual Environment

2:59

Sublime Text & Reactivate Virtual Environment

2:14

Hello World with Flask

4:59

WSGI for Local Dev

2:52

URL Routing

3:50

Flask App as a Package

4:29

Modules Driving One Purpose

5:13

Render HTML Template

2:45

Render Template Variables

3:26

Keep Logic in Views not Templates

4:11

Jinja Templates & Base HTML

6:57

Render JSON

4:53

Landing Page Form

5:47

POST Method and Request Data

2:28

Validation & CSRF

5:18

Python eval

1:47

Adding CSRF Protection to Flask

4:23

A Form with Flask WTF

4:19

Basic Form Validation with wtforms

4:44

Email & Custom Validation with wtforms

2:54

Render the Flask WTF Form in Template

3:04

Input Class and Placeholder in Flask WTF Forms

2:42

Setup a Database

5:29

Your First SQLAlchemy Model

5:20

Save to Database

3:55

Track Modification Error

2:31

Database Actions in Flask Shell

10:19

Convenience Methods for CRUD

6:56

Saving Data to a Model via a Form

2:59

Validation Form against Database with Model Lookup

4:08

Database Object to Detail View

7:13

First or 404

1:32

Update View and Prefill Form Data

4:33

Save Updates in Update View

6:13

Exclude Items from SQLAlchemy Query

3:32

Delete & Confirm

3:44

List View and Redirects

3:54

Navbar with Include

2:20

Dynamic URL Paths with url_for

3:15

url_for with Arguments

3:17

Signals

7:39

Change Models with Flask Migrate

5:27

Fresh Migrate and DB

2:19

Migrate Again

7:37

Password Protect a View

7:15

Prep Landing Page for Production

4:36

Gunicorn Server

2:07

Heroku and Live App

9:49

Making Changes for Production

5:12

Custom Domain

1:52

Adding HTTPs using ACM

3:07

Suggested Next Steps

3:36

Thank you

0:47