Thoughts on a few of the options: A Docker image bundles application and "platform", that's correct.
But usually the image is composed of a base image and the actual application.
The often times requires a floppy drive to be installed on the system.
Please visit your motherboard manufacturer's website for instructions on how to check your BIOS version and for tools you can use to safely update your BIOS.
Be sure to read your motherboard's manual thoroughly before attempting to flash your BIOS or update your motherboard's chipset drivers.