Sinatra is a micro-framework for creating web applications. This tutorial explains how to set up a Sinatra application on your Ruby Simple Hosting instance.
# Gemfile source 'https://rubygems.org' gem 'rack' gem 'sinatra'
# config.ru require './app' run Sinatra::Application
# app.rb require 'sinatra' get '/' do "Hello from Sinatra" end
$ bundle install
You can then add these files to your git tree and deploy it on your instance by following these instructions.