I am trying to follow the post-purchase extension by following
this docs https://shopify.dev/apps/checkout/post-purchase/getting-started-post-purchase-extension I have followed all the steps and they are working except the shopify extension serve it
is giving me the same error continuously.
X No available ports found to run extension.
by the way I able to run the app itself with ngrok in shopify admin by shopify node serve.
but when i try with the extension it again giving me the error. any suggestion !!!