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Welcome to The Build a SAAS App with Flask Course!

A video course where we build a real world web application with Flask, Celery, Redis, PostgreSQL, Stripe and Docker.

Full details on the course can be found here:
https://buildasaasappwithflask.com

Getting started

You'll need to enable Docker Compose v2 support if you're using Docker Desktop. On native Linux without Docker Desktop you can install it as a plugin to Docker. It's been generally available for a while now and is stable. This project uses specific Docker Compose v2 features that only work with Docker Compose v2 2.20.2+.

cp .env.example .env
docker compose up --build

After everything is up and running, visit http://localhost:8000.

Did you receive a depends_on "Additional property required is not allowed" error? Please update to at least Docker Compose v2.20.2+ or Docker Desktop 4.22.0+.

Did you receive an error about a port being in use? Chances are it's because something on your machine is already running on port 8000. Check out the docs in the .env file for the DOCKER_WEB_PORT_FORWARD variable to fix this.

Did you receive a permission denied error? Chances are you're running native Linux and your uid:gid aren't 1000:1000 (you can verify this by running id). Check out the docs in the .env file to customize the UID and GID variables to fix this.

How does this source code differ than what's in the course?

In the course we build up a 4,000+ line Flask application in 15 stages while I'm at your side explaining my thought process along the way. You will get to see the source code grow from a single app.py file to a large code base that spans across dozens of files and folders.

This repo includes up to the 6th stage. By this point in the code base, you'll be introduced to concepts such as:

  • Using Docker to "Dockerize" a multi-service Flask app
  • Using Flask extensions
  • Flask blueprints
  • Jinja templates
  • Working with forms
  • Sending e-mails through Celery
  • Testing and analyzing your code base

The rest of the course covers topics such as:

  • A crash course on Docker and Docker Compose (including multi-stage builds)
  • Going over the application's architecture and tech choices
  • Creating a full blown user management system
  • Creating a custom admin dashboard
  • Logging, middleware and error handling
  • Using Click to create custom CLI commands
  • Accepting recurring credit card payments with Stripe
  • Building up a dice game called "Snake Eyes"
  • Responding with JSON from Flask and creating AJAX requests
  • Processing microtransaction payments with Stripe
  • Dealing with database migrations
  • Converting your app to support multiple languages (i18n)
  • A crash course on Webpack, ES6 JavaScript and SCSS

By the time you finish the course, you'll have all the confidence you need to build a large web application with Flask.

There's over 187 video lessons, 25+ hours of content, coding exercises and an e-book that's included. You also get free updates for life as well as life time support. I've added 15+ hours of free updates over the years.

These updates range from adding new features like Webpack to keeping Python, Node and all package / service versions up to date. There's even 1 update that's a 5 hour live recording where I updated a bunch of things at once. This includes using git too (making good commits, interactive rebasing, etc.), live debugging and Googling for errors.

Also as a bonus, there's an additional 18 video lessons and 3 hours of content that covers building a separate RESTful API driven application that uses websockets.

Everything you'd want to know about the course can be found here:
https://buildasaasappwithflask.com