Hello Hacker News! We're Kurt, Jerome, and Michael from fly.io (https://fly.io/). We're building a platform to run Docker applications close to end users. It's kind of like a content delivery network, but for backend servers.I helped build Ars Technica and spent the majority of my time trying to make the site fast. We used a content delivery network to cache static content close to anonymous readers and it worked very well for them. But the most valuable readers were not these, but the ones w...