More details on geocompy image

Former-commit-id: b5ee6eb [formerly 9925399]
Former-commit-id: a4c6d1df3a17b0746e466e1c550c7bec0090ff95

Author: Robinlovelace

index.qmd

@@ -58,9 +58,11 @@ Todo: help wanted
 
 ```bash
 docker pull geocompr/geocompr:python
+# Remove the --rm below for a persistent image
 docker run --rm -d -p 8784:8787 -e DISABLE_AUTH=TRUE --name geocompy \
   -v $(pwd):/home/rstudio/pytest geocompr/geocompr:python
 firefox localhost:8784 # or your browser of choice
+# docker kill geocompy # stop the image
 ```
 
 After opening the relevant project running `quarto preview` in the system shell in browser-based IDE opened by the command above, you should see something like this where you can run code and even modify the book and see changes with the previou command.