December 2019
Intermediate to advanced
494 pages
11h 41m
English
In this section, we'll learn about the process and best practices of building Docker images for identified application components.
A Docker image is a file that's used to run Docker containers. In an ideal world, you'd build separate Docker images for the different application components that have been identified. A Docker image includes everything that is needed for the app to run, including the required base OS configuration, packages, frameworks, application files, configurational items, and launch commands or scripts.
Docker images are built using Dockerfiles, which are nothing but plain configuration files that include everything that should be added to the image. We can build images using Dockerfiles and then ...