How to Create a Docker Image

How to Create a Docker Image

by Swapnil Bhartiya

In this article, we will get a basic understanding of creating Docker images. There are prebuilt images available on Docker Hub that you can use for your own project, and you can publish your own image there.

We are going to use prebuilt images to get the base Linux subsystem, as it’s a lot of work to build one from scratch. You can get Alpine (the official distro used by Docker Editions), Ubuntu, BusyBox, or scratch. In this example, I will use Ubuntu.

Before we start building our images, let’s “containerize” them! By this I just mean creating directories for all of your Docker images so that you can maintain different projects and stages isolated from each other.

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