What is Firefly III?
"Firefly III" is a (self-hosted) manager for your personal finances. It can help you keep track of your expenses and income, so you can spend less and save more. -https://docs.firefly-iii.org/firefly-iii/installation/self_hosted/?mtm_campaign=docu-internal&mtm_kwd=self_hosted
Installing Docker
Running Firefly III
Documentation: https://hub.docker.com/r/fireflyiii/core