Docker in the Wild: Use Cases & The Survival Commands

In my last post, we talked about what Docker is and why it’s more than just a buzzword. But knowing the "why" doesn't help when you're staring at a terminal screen wondering how to actually get a container to do something. Now, let's look at where Docker lives in the real world and the specific needed for the day to day work. The "Day-to-Day" Command Handbook 📝 If you’re going to work with Docker, these are the commands you'll find yourself typing over and over again. 1. docker build -t <name> . Before you can run a container, you need an Image . Think of this as the "factory" step. You’re taking your code and your Dockerfile and baking them into a single package. Pro Tip: Don't forget the . at the end—it tells Docker to look for the Dockerfile in your current folder! 2. docker run <image> This is the "Let there be light" command. It takes that image you just built, pulls any missing pieces from the cloud, and starts the container. Example: docker run nginx (Starts a web server immedia