Spree

The frontend was removed in Spree 4, here is the one from Spree 3:

• https://github.com/wasya-co/spree_legacy_frontend

The new frontend:

• https://github.com/wasya-co/nextjs_commerce

Tutorials

• https://dev-docs.spreecommerce.org/advanced/existing_app_tutorial
• https://dev-docs.spreecommerce.org/customization/authentication

Troubleshoot

Attach your own cancan ability:

Spree::Ability.register_ability(YourAbilityClass)