Upgrade Rocket.Chat from 3.x to 4.0, MongoDB from 4.0 to 5.0 via Docker
RocketChat and Mongo DB have upgrade release, but the whole process is not that easy to be honest
RocketChat
A collection of 2 posts
RocketChat Installation via Snap
What’s RocketChat? To me it’s an open source Slack. Why do I even post this? Official Doc is quite nice. It’s because some people are lazy. https://docs.rocket.chat/