If you are a solo developer or an indie hacker, you probably suffer from “Shiny Object Syndrome.” You have 10 different ideas, and you want to launch all of them.

RubyFlow's platform is a resource for Ruby developers, offering insights into Ruby programming language, Ruby on Rails framework, and Ruby-related tools. Through articles, tutorials, and community discussions, RubyFlow offers insights into building web applications with Ruby and Rails. Developers can learn about Ruby gems, Rails conventions, and best practices in Ruby development to write clean and maintainable code.

Ruby Flow

A step-by-step guide for solo developers and indie hackers to host multiple Rails apps on a single cheap VPS using Kamal 2, eliminating the 'PaaS Tax' from services like Heroku or Render. Kamal Proxy automatically handles domain-based routing, SSL certificates, and zero-downtime deployments, allowing 10–15 Rails apps to share one $10/month server. The guide covers deploying a first app, adding a second app to the same server, and scaling to a two-node cluster with a dedicated PostgreSQL database server using Kamal's Accessories feature.

Build Your Own Cloud Empire: Hosting Unlimited Rails Apps with Kamal 2

STEP 3: Deploying App Number 2 (Sharing the Server)

STEP 4: Scaling the Empire (The Database Node)