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!
Continuing in our quest to containerize development, in this video we begin customizing our app container in order to capture an essential tool dependency.
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.
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 …