1. In the console, type `windows()` if using Windows, `quartz()` if using Mac OS X. (This tells R Commander to output all graphs to a new window). If you don't do this, R Commander graphs will be output to the graphics window in RStudio.
2. Install either (1) Positron with the Container Tools extension from Open VSX or (2) Visual Studio Code with the Container Tools extension from the marketplace. This is optional, but it makes Docker Compose setup easier.
