Learn Elixir
& Phoenix

Alchemist's Edition

#104: Generating RSS Feeds with Elixir

In this episode we’ll take an existing Elixir Phoenix application and build an Atom feed for it. To build the feed we’ll use the Atomex package.

#103: Writing Tests with ExVCR

In this episode we’ll explore one way of mocking external HTTP requests when testing using ExVCR. ExVCR records the actual HTTP request and response and replays it whenever that test runs.

Alchemist's Edition

#102: OTP backed Web Application Part 4

In the final part of this series we’ll use Phoenix Channels to improve the UI so that our coin tracker page updates automatically when a new cryptocurrency price is found.

Alchemist's Edition

#101: OTP backed Web Application Part 3

In part 3 we’ll create a schema for our coin data so that we don’t lose data when we restart our app.

#100: Multiple Room Chat Application

In this episode we’ll build a chat application that has multiple chat rooms. The rooms will be created dynamically from the URL and will use Phoenix Channels to provide realtime functionality.

Alchemist's Edition

#99: OTP backed Web Application Part 2

In part 2 we’ll update our application to allow users to add cryptocurrencies from the UI. Once added, we’ll display the cryptocurrency and update pricing every minute using a GenServer.

Alchemist's Edition

#98: OTP backed Web Application Part 1

In part one of this series we’ll lay the foundation for our application. First we’ll see how we can fetch cryptocurrency prices. Then we’ll create a GenServer to store the prices and add it to our supervision tree.

Alchemist's Edition

#97: Schemaless Form Validations with Changesets

In this episode we’ll take an existing contact form and see how Ecto changesets can be used to perform schemaless form validations and display errors.

Alchemist's Edition

#96: Contact Form

In this episode we’ll build a contact form for an existing Elixir Phoenix application. When a user submits the form, an email will be sent using the Bamboo library.