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Kubernetes for Developers by Joseph Heck

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Container images

The first step for using Kubernetes is getting your software into a container. Docker is the easiest way to create these containers, and it is a fairly simple process. Let's take a moment to look at an existing container image to understand what choices you will need to make when creating your own containers:

docker pull docker.io/jocatalin/kubernetes-bootcamp:v1

First, you'll see it pulling down a list of files with arcane IDs. You'll see them updating in parallel, as it tries to grab these as they're available:

v1: Pulling from jocatalin/kubernetes-bootcamp5c90d4a2d1a8: Downloading  3.145MB/51.35MBab30c63719b1: Downloading  3.931MB/18.55MB29d0bc1e8c52: Download completed4fe0dc68927: Downloading  2.896MB/13.67MBdfa9e924f957: ...

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