Peter Ullrich's Picture

Hey, I’m Peter! Developer & Educator.

I'm a Senior Elixir developer with a Psychology background, PragProg Author, Public Speaker and Blogger, Founder of Letter to Yourself. I'm passionate about Software Architecture, Product Engineering, and sharing knowledge.

Products

The book cover of the Builting Table Views with Phoenix LiveView book showing three meerkats.

Building Table Views with Phoenix LiveView

Data is at the core of every business, but it is useless if nobody can access it. This book shows you how to generate business value by making your data accessible with advanced table UIs.
The book cover of the Builting Table Views with Phoenix LiveView book showing three meerkats.

Build an MVP with Elixir

New to Elixir? This video course gets you started by developing a real-world product using Phoenix LiveView, deploying it to Fly.io, adding payments to it using LemonSqueezy, and more.

Blog Posts

a phoenix flying against a purple hot air balloon

How to deploy a Phoenix project with Fly.io

Fly.io allows you to quickly deploy a Phoenix application in different regions in the world. Here is how to get started.

Your product is not only your "product"

What comes to mind if you think about "Your product"? You probably think about features built for your customers. However, your "product" also includes something else. Your software.

How to set up reoccurring jobs with GitHub Actions

How to automate a reoccurring job using GitHub Actions in order to fetch and upload latest data to a GitHub repository.

How to set up a Reverse Proxy with CloudFront, Lambda@Edge and Phoenix

Route traffic based on the path of a URL using AWS CloudFront and Lambda functions. A complete how-to using Phoenix servers.

From Business Requirements to Production Code

How to build what your stakeholder actually wants by extracting and testing good software requirements.

Bridge the Gap - Bring your Software to life with Elixir and Nerves

Writing code is fun, but nothing tops seeing your code moving things in the real world. That’s why I tested out the Nerves library.

State Management with Phoenix LiveView and LiveEx

Writing code is fun, but nothing tops seeing your code moving things in the real world. That’s why I tested out the Nerves library.