Spree Customization — Where Does My Code Belong?

Spree 6 is built to be extended without forking. The hard part is picking the pattern. Work down the table: options near the top are data or configuration, cheaper to write and untouched by upgrades; options near the bottom couple you to Spree internals.

Commands use the spree CLI form. On a classic Rails app use bin/rails … from the app root and drop the server/ path prefix — see spree-project.

The decision tree