We basically had to fork the official Dockerfile for 5.7, switch to ubuntu-provided packages and change the debconf options + some tzdata problems to work aroun

We basically had to fork the official Dockerfile for 5.7, switch to ubuntu-provided packages and change the debconf options + some tzdata problems to work around this. For 8.0 there are some arm64 images already on Docker Hub, just the oraclelinux variant.