Latest tutorials & articles

Introduction to Minitest for testing Rails apps

How to handle Stripe subscription cancellations in Rails

How to process Stripe subscription webhooks in Rails

How to setup monthly subscriptions in Rails with Stripe

 In this lesson, we'll learn how to add monthly subscription payments to our Rails app with Stripe. We'll set up a recurring payment product in Stripe and use that to create a Stripe Checkout Session.

How to use Rails Active Job with Sidekiq for background jobs

How to use Rails Action Mailer to send order confirmation emails

How to set up a Rails app with Devise gem for user authentication

Learn how to integrate Devise gem for user authentication in a Rails app, step-by-step. Part of the Full Stack Rails Mastery course.

How to handle cart modifications after initiating checkout

Fixing a nil bug in the shopping cart item count code

How to process a Stripe webhook for a shopping cart order

How to create a Stripe Checkout session for a shopping cart with multiple products

How to remove a product from the shopping cart

How to add a product to a shopping cart

In this video lesson, we'll add a way for buyers to add products to a shopping cart. We'll add an "Add to cart" button to the product page and a corresponding controller action in the CartItemsController for creating a cart item in the buyer's cart.

Shopping Cart Data Models

In this lesson we'll look at the data models we need to implement a shopping cart feature, so that users can buy more than one product in one transaction.

Adding a shopping cart page and navbar link

In this video lesson, we'll add a shopping cart page where the buyer can see the list of products they've added to their cart. We'll also add a shopping cart icon that links to the cart in the navbar.

Seeding the development database using the Faker gem

How to use the Faker gem in Rails to generate fake user and product data for development.

Solution: Use Active Record callbacks to set unique Stripe price id for products

In this lesson, we'll use Active Record callbacks and the Stripe API to add a unique Stripe Price ID to a product whenever its price changes.

Challenge: Replace hardcoded Stripe price id with product-specific ids

Learn how to dynamically set Stripe price IDs for each product in your Rails app, improving flexibility and maintainability in your e-commerce system.

How to optimize database queries in Rails with EXPLAIN ANALYZE

The 80/20 Rule of Rails performance