In a devcontainer, system files are ephemeral and subject to being reset any time the container is rebuilt. This can can be a problem for development package dependencies. In this …
Category: Episodes
Episode #658
Container Run Layers
In Dockerfiles, fewer RUN commands are better. Why? For that, we need to talk about layers. Which is exactly what we're going to do in this video!
Episode #657
Dockerfile
Continuing in our quest to containerize development, in this video we begin customizing our app container in order to capture an essential tool dependency.
Episode #656
Understanding `npm run` (and why to avoid `npx`!)
In today's episode, guest chef Jessica Kerr returns to dig deeper into NPM, and delivers some strong opinions about the npx command!
Episode #655
Repeatable Devcontainer
In this video we'll look at a couple of approaches to making dev container commands repeatable and versioned, and we'll get our first taste of docker-compose.
Episode #654
A Quick Dev Container
Using containers for development doesn't have to involve writing a bunch of configuration. In today's episode we'll go from zero to running Rails tests inside a deccontainer, with nary a …
Episode #653
Why Containers for Development?
Join me for a rainy chat about all the reasons you should consider using containers not just for deployment, but for development as well. We'll talk about how containers enable …
Episode #652
Null-Terminated Record
Before YAML, before JSON, there were null-terminated records. See how this simple, pragmatic technique greases the pipes between UNIX command-line tools---and how you can harness it in your Ruby one-liners!
Episode #651
Chomp
Ruby can be your multitool for all kinds of text-munging tasks. But to use it effectively, you need to understand how Ruby handles line endings and record separators.