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 …
Tag: devcontainers

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 #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 …