Docker images are artifacts that contain our application and other supporting components to help run it, such as the base operating system, runtime and development libraries, and so on. They get deployed and downloaded into Docker hosts in order to run our applications as Docker containers. This section will cover the following Docker commands to work with Docker images:
Most of the material in this section is readily available on the Docker documentation website at https://docs.docker.com/userguide/dockerimages.
We will use the
training/webapp from the Docker Education Team to build a Docker image. The next few steps will show us how ...