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!
Tag: devcontainers

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 …