All Posts by Peter Baumgartner

Peter is the founder of Lincoln Loop, having built it up from a small freelance operation in 2007 to what it is today. He is constantly learning and is well-versed in many technical disciplines including devops, scaling, back-end, and front-end development. Peter is a frequent speaker at DjangoCon and has ...

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Sep 12, 2017

Dynamic Test Servers with Salt

One of the things I love about the DevOps movement is how (when done right) it empowers developers to work with infrastructure in a safe and controlled manner. Once you've nailed down ...

Aug 29, 2017

The Trouble with Thumbnails: Part 2

In this long overdue follow-up to Part 1, I'll be discussing the infrastructure issues associated with creating and serving image thumbnails at scale. The naive solution to generating thumbnails is to declare ...

Aug 15, 2017

Django Patterns: Fat Models and cached_property

One of my favorite patterns in Django is the combination of "fat" models and cached_property from django.utils.functional. Fat models are a general MVC concept which encourages pushing logic into methods ...

Jul 18, 2017

Django Anti-Patterns: Signals

Django's Signal Dispatcher is a really powerful feature that you should never use. Ok, it has valid use cases, but they may be rarer than you think. First, to dispel a misconception ...

Jun 27, 2017

Multiple Sites with Routing in uWSGI

In another of our "you can do that?!?" with uWSGI posts, today I'll show you how to use uWSGI to host multiple sites and properly route traffic based on the hostname ...