Technical requirements
For this chapter, you need to have a Cargo Tracker application on your system and need the result of the Cargo Tracker application of either Chapter 3, 4, or 5. To edit the Docker files, you can use any text editor of your choice. We will install Docker on a Linux machine. If you want to follow those instructions, you will also need a Linux machine or virtual machine. You can also follow the instructions on the Docker website: https://docs.docker.com/engine/install/ubuntu/.