John

We could add in a command to change the bluetooth MAC address on the pi. This could use the tool `bdaddr`, however there may be other methods. This may require...

https://github.com/treehouses/cli/issues/2249 this suggestion may require `bdaddr` to be pre-installed on the image

two dependencies that are required for `docker login`

installed gattlib works on both vagrant and travis   fixes #721

duplicate wget downloads

2

20_fix_node.sh is downloading node multiple times if you forget to clean up after an install 

Either update `README.md` or make a note to ignore the `README.md` instructions for building. Builds are done in Travis and Vagrant works again. https://treehouses.io/#!./pages/blog/20190921-builder.md

stream to the web with a pi camera! hosted over LAN on port 8000, can also be accessed via tor - fixes #1441

replace `exit 1` with `return 1` shock and awe (fixes #1336)

3

many files changed, needs review - fixes #1336