This was posted a while back about their tech stack but lots of good comments here: https://news.ycombinator.com/item?id=20985875
Also very similar post as this one, some good comments: https://news.ycombinator.com/item?id=13167156
Ask HN: A New Decade. Any Predictions? ::: https://news.ycombinator.com/item?id=21941278
Other contenders, plucked from my favourites
• The boring technology behind a one-person Internet company (2018) ::: https://news.ycombinator.com/item?id=20985875
• Ask HN: Successful one-person online businesses? ::: https://news.ycombinator.com/item?id=21332072
• Why's that company so big? I could do that in a weekend ::: https://news.ycombinator.com/item?id=12626314
• Bullshit Jobs ::: https://news.ycombinator.com/item?id=17874320
There once were discussions on HN, e.g. [1] about listennotes blog posts[2][3] - which, while maybe outdated, in my opinion are still pure gold.
[1]: https://news.ycombinator.com/item?id=20985875
[2]: https://www.listennotes.com/blog/the-boring-technology-behin...
[3]: https://www.listennotes.com/blog/good-enough-engineering-to-...
One you might like if you haven't seen it already (it is from a couple of years back) is "The boring technology behind a one-person Internet company": https://news.ycombinator.com/item?id=20985875 (and later https://news.ycombinator.com/item?id=23196626 ).
This was posted a while back about their tech stack but lots of good comments here: https://news.ycombinator.com/item?id=20985875
Also very similar post as this one, some good comments: https://news.ycombinator.com/item?id=13167156