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☁️ How I got off the cloud and migrated everything from AWS to a VPS in Hetzner

This is an opinionated handbook on how I migrated all my Rails apps off the cloud and into VPS.

This is how I manage real production loads for my Rails apps. It assumes:

• Rails 7+
• Ruby 3+
• PostgreSQL
• Ubuntu Server 24.04
• Capistrano, Puma, Nginx

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Setup

Add this to your .profile, .bashrc, .zshrc...

decode_base64_url() {
  local len=$((${#1} % 4))
  local result="$1"
  if [ $len -eq 2 ]; then result="$1"'=='
  elif [ $len -eq 3 ]; then result="$1"'=' 
  fi
 echo "$result" | tr '_-' '/+' | openssl enc -d -base64

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## Context + metadata
shared_context 'Logged as a user', role: true do
  let(:user) { |example| create :user, example.metadata[:role] }
  before { login_as user }
end

scenario "Login as a client", role: :client
scenario "Login as a customer", role: :customer
scenario "Login as an admin", role: :admin

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Rails Rspec APIs Testing Notes

Folders Structure

  spec
  |--- apis #do not put into controllers folder. 
        |--- your_api_test_spec.rb  
  |--- controllers
  |--- models
  |--- factories
 |--- views