Learn Shopify app development - Building Shopify extensions... using Preact!

Build with Gadget: https://ggt.link/start-building-shopify Learn how to use Gadget's Preact hooks (and framework version 1.5) to build new Shopify UI extensions on API version 2025-10 and later! Riley build's a customer account UI extension (and also walks through customer tenancy). Tutorial: https://docs.gadget.dev/guides/tutorials/checkout-ui-extension UI extension docs: https://docs.gadget.dev/guides/plugins/shopify/advanced-topics/extensions Customer account extension & auth docs: https://docs.gadget.dev/guides/plugins/shopify/advanced-topics/customer-account-ui-extensions Chapters 00:00 Intro & connect to shopify 06:59 Add a note data model 09:00 Customer multi-tenancy 12:49 Generate the extension & some setup 16:30 Add dependencies & modify TOML 18:56 Init API client & build extension UI 27:02 Testing the extension 29:45 Outro & ramblings