Learn Kubernetes in a Month of Lunches

appendix A. Packaging applications from source code into Docker Images

Building Docker images is easy. There’s one thing you need to know to package your own applications: you can also run commands inside Dockerfiles.

Commands execute during the build, and any filesystem changes from the command are saved in the image layer. That makes Dockerfiles about the most flexible packaging format there is; you can expand zip files, run Windows installers, and do pretty much anything else. In this chapter you’ll use that flexibility to package applications from source code.

This appendix is reproduced from chapter 4, "Packaging Applications from Source Code into Docker Images," from Learn Docker in a Month of Lunches by Elton Stoneman (Manning, 2020). ...