In the preceding example, we saw how easy it is to have our build package the application in a Docker container. The additional Gradle-Docker plugin does the bulk of the work of the Dockerfile creation, image building, and publishing; all we have to do is give it some instructions on what and how we want the image to be. Because the Spring Boot Gradle plugin uses a boot distribution, the Gradle-Docker plugin does not know that it needs to use a bootified TAR archive. To help with that, we override the distDocker task. Let's examine these instructions in detail:
- The group and description attributes merely help with displaying the task properly when the ./gradlew tasks command is executed.
- The inputs.files project.bootDistTar ...
