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Invalid host header PWA Studio

on pwa studio, pwa, invalid host header, invalid header, pwadevserver, webpack dev, webpack

Hello,

Recently, I discovered the issue when trying to start the PWA Studio development environment.

Invalid host header

command used: yarn watch

alt

To fix this, you can add the following to the node_modules/@magento/pwa-buildpack/lib/WebpackTools/PWADevServer.js

disableHostCheck: true,

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Save the file, start yarn watch again and enjoy development that can refresh content without compiling.

I hope this helps.