I am getting an “Invalid Host header” message, when running instaclone app on www.niuozbi.com

[TimchaStudio]

Installation problem
There is “Invalid Host Header” error?
the problem may be related to some firewall settings for your server?

I checked the firewall. It's not its problem.

However what I've gathered from stackoverflow, it seems that the problem may be related to webpack-dev-server adds a host check. （refer link）.

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How did you configure the sample website to remove port 3000？

[Sandermoen]

I should probably mention that if you intend to run the website in a production environment you do not use the webpack dev server. You have to build the static files and serve them using a webserver. The backend is already configured to serve the static files, all you have to do is run npm run build and start the backend with npm start making sure that the NODE_ENV is in production.

[TimchaStudio]

@Sandermoen thank you！