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Creating a custom Docker image

The Docker community has Docker images for most popular software applications. These include, for example, images for web servers (Apache, Nginx, and so on), enterprise application platforms (JBoss EAP, Tomcat), images with programming languages (Perl, PHP, Python), and so on.

In most cases, you do not need to build your own Docker images to run standard software. But if you have a business need that requires having a custom application, you probably need to create your own Docker image.

There are a number of ways to create a new docker image:

• Commit: Creating a Docker image from a running container. Docker allows you to convert a working container to a Docker image using the docker commit command. This means ...