A lot of complex “scalable” systems can be done with a simple, single C++ server
A site for proof. It keeps amusing me on what hardware/software Stack Overflow/Stack Exchange is running on:
<a href="https://stackexchange.com/performance" rel="nofollow">https://stackexchange.com/performance</a><p>This is way less in HW than most people in the trade (from web devs to devops) seem to think when asked about it.<p>SO ranks #36 in Alexa right now:
<a href="https://www.alexa.com/siteinfo/stackoverflow.com" rel="nofollow">https://www.alexa.com/siteinfo/stackoverflow.com</a>