One server. Small business.

I host a modest Rails app for my curated newsletters 1 . It serves over 100,000 subscribers and sends hundreds of thousands of emails each month. I built it in 2014, and it’s been the backbone of my small business ever since. It’s deployed on one tiny server for under $30 per month 2 . The app supports complete subscriber life cycle, content management system, usage tracking, and whole link…