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More Elixir and Phoenix screencasts

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.

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#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.

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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.

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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.

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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.

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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.

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Alchemist's Edition

#95: Phoenix LiveView Part 4

In part 4 of our Phoenix LiveView series we’ll use Phoenix Presence to track how many users are currently signed in to our application.

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#94: Multiple Layouts with Phoenix

Often different layouts need to be rendered for different parts of a web application. In this episode we look at a few ways of doing this in Elixir.

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Alchemist's Edition

#93: Ecto.Multi

In this episode we’ll explore Ecto.Multi in order to compose database transactions in Elixir.

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#92: Introduction to Testing

Testing is an essential part of software development. In this episode we’ll get an introduction to testing in Elixir using the ExUnit test framework.

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#91: Filtering Parameters in Phoenix

Often you’ll have sensitive information that you don’t want to show up logs. In this episode we’ll see how to configure Phoenix to specify what parameters you want filtered in your logs.

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