Nim playground inaccessible

[PMunch]

Yeah most people just ping me on Discord. Happens every couple months I'd say. 
Replacing docker would mean rewriting quite a bit of the logic, certainly 
doable, but not something I have the time for. Improving the VPS is by far the 
easiest solution (at least in the short term), it's quite underpowered for what 
it is doing.