Start by creating a new Rails app using a PostgreSQL database.
rails new yourwebsite --database=postgresql
Run the ActiveStorage installer to install ActiveStorage.
After that, add the following line to your Gemfile:
bundle install and run the installer to install Spina CMS.
rails g spina:install
The installer will ask a couple of questions to help you setup your website.
(Re)start your server and access Spina at