The next section is for executing the Dockerfile file after defining it. The first section is about creating the correct Dockerfile file for building the suitable docker image. Furthermore, in order to describe the sequence of the steps, this article has several sections available. It is the entry part for updating the CentOS operating system after getting the CentOS base image. The main difference is in the specific content of the Dockerfile file. But there is a different on a specific step. The content of this article has the same steps with the previous one. In order to know how to create a docker image, just refer to the article in this link. The previous one exist in this link with the title of ‘How to Build CentOS Docker Image using Dockerfile’. It is an article where it can be the continuation of the previous article. Actually, it is not only building the CentOS docker image but also update the CentOS operating system in the image. This is another article for building a CentOS docker image.

Docker image centos 7