I don't think Docker adds much CPU overhead on Rpi (or anywhere), but DBs aren't my turf so I can't say for sure. However docker interacts with filtering (iptables) on the host quite a lot. If the problems you describe are experienced from a remote host, I would look into the iptables setup and net...

Isn't there anyone using docker on RPi that can share his experience? Maybe I'm doing something wrong, or maybe there really is something wrong. Or anyone bypassing the MySQL repository problem?

This? https://dev.mysql.com/downloads/repo/apt/ I've tried, but I get this N: Skipping acquire of configured file 'mysql-apt-config/binary-armhf/Packages' as repository 'http://repo.mysql.com/apt/debian buster InRelease' doesn't support architecture 'armhf' N: Skipping acquire of configured file 'm...

I'm working on a personal project which was started a few years ago on my windows laptop, then tried to move it to different free web host providers. For easy access and ease of use, I've always used MySQL for my database. Not so long ago I bought a Raspberry Pi 4 4GB wanting to host my project on i...