Optimizing PHP Apps in Dokku

I run all my webapps in a single Digital Ocean (link with referral) droplet (their fancy word for VPS). &#xA; When I started I had some issues: with builds requiring more memory and how to monitor a Dokku server to diagnose instabilities. &#xA; At some point my server randomly froze (and as such all my apps became suddenly unavailable). This is what I did to fix it . &#xA; The Problem &#xA; The…