The dictionary definition for colophon is:
an inscription at the end of a book or manuscript usually with facts about its production - source
It’s a fancy-pants word that has been co-opted by online types like me to mean documents that describe how our websites work.
My Publication Workflow
See My Publication Workflow for information about how my notes-to-web-pages process works.
My Backup Workflow
I have a home-lab which hosts a lot of web-accessible applications like my Forgejo instance, my Hoarder instance, my mealie instance, my Paperless instance.