This morning I wanted to deploy a simple Sinatra app to Render.com. It wasn’t super obvious to me, so I figured I’d write down what worked in the end. First, a Gemfile: # Gemfilesource 'https://rubygems.org'gem 'sinatra'gem 'sinatra-contrib'gem 'puma' * I’m pretty sure sinatra-contrib is not necessary. Also at this point in time you’ll need to bundle lock --add-platform x86_64-linux for your Render.com deployment to work. Here’s my main.rb "hello world" app:
