Docker-compose + Nextcloud boost?

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Oh no...no I didn't. When Nextcloud booted on my last attempt, it literally overwrote my file. I did, however, forget to link it. This post was made at the end of an all-nighter and ~18/24 hours spent working during crunch for a project at work. I started working on it again and have what I think will work, but haven't gotten back to it and haven't brought the project back up to see if I can make it function. I also tried to get Cal.com working in docker-compose and that setup is an absolute shit show...plus they apparently don't understand licensing?

Anyway, here's the file I'm attempting to adapt to my use case: https://github.com/nextcloud/docker/blob...ompose.yml

I can't find anywhere what the second instance labeled cron is good for, how to ensure when running in compose that you can have access to the third-party apps (e.g., LibreOffice or others). Documentation is either intentionally fairly bad to get you to pay for the service or it's just really hard to find...

EDIT: All my personal machines are Linux, currently everything is Ubuntu of one flavor or another. High-powered server in my signature is minimized Ubuntu 23.04, low-powered back-end is minimized 22.04 LTS, desktop is Lubuntu 22.04 LTS.