This is a larger ArchiveTeam problem, not a language problem. They use MediaWiki (Wikipedia) to effectively host static informational pages without a cache in front.
https://osuosl.org/ https://www.fosshost.org/ http://www.gplhost.com/ https://www.digitalocean.com/open-source/ https://www.gandi.net/en/gandi-supports
The architecture is totally fine for their use case. Arcitecturing it to stand up to hn hug of death would be over-engineering and not really make sense given their goals.
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