Progressive Web Apps are about to get a huge bump in functionality on iOS devices. Starting in iOS 16.4, we will be able to receive push notifications natively on our iOS devices from our Ruby on Rails PWA. In this episode, we explore creating push notifications from scratch without the need of a Google or Apple developer account.

Chart.js is a simple yet flexible JavaScript charting library for the modern web. In this episode, we look at creating a Stimulus controller around Chart.js. We'll also look at making the chart interactive by adding zoom and pan functionality.

Continuing from the previous episode, we look at speeding up the build times with a remote builder, continued warning about accessories, implementing background jobs, setting up the infrastructure for background workers and diving more into the Kamal (MRSK) commands.

Kamal (MRSK) deploys web apps anywhere from bare metal to cloud VMs using Docker with zero downtime. In this episode, we will set up a Digital Ocean infrastructure with a Load Balancer, Virtual Machines, and a PostgreSQL database. We'll use Kamal (MRSK) to provision and deploy our Rails application to the Virtual Machines.

In this episode, we have a look at using the OpenAI API to create an AI Response to comments. Instead of simply using the API directly with Net::HTTP, we're also going to create an API wrapper around Net::HTTP so that we can simplify the responsibility of our OpenAI integration.