SKS Minecraft features a Carefully Tuned™ 1.12 modpack, centred around Immersive Engineering, with significant detail added to the world overall.
View the live mod list.
Please note that as this is a 1.12 pack, it requires Java 8.
The test server is running on a relatively beefy host server (below) with a 50Mbps connection.
OS: Debian GNU/Linux 11 (bullseye) x86_64
CPU: Intel Xeon E3-1231 v3 (8) @ 3.800GHz
Memory: 24GiB
The Minecraft server itself is running in a container on said host with no strict memory or CPU limitations, under OpenJDK 8, and monitored with collectd and Grafana.