Health check invalid HTTP_HOST header: 'localhost:10000'

1

Hello!

I’m getting a Invalid HTTP_HOST header: 'localhost:10000' in my Django app during the health check during deployment. I have this in my settings file as per the instructions:

RENDER_EXTERNAL_HOSTNAME = env("RENDER_EXTERNAL_HOSTNAME", default=None)
if RENDER_EXTERNAL_HOSTNAME:
    ALLOWED_HOSTS.append(RENDER_EXTERNAL_HOSTNAME)

It works fine and boots up and everything is OK, but I do get a Sentry error on every deploy. Thoughts as to what could be causing this?

2

Hi Harry,

It looks like that’s coming from our port-detector process which tries to automatically determine what port to open for your service. If you add ALLOWED_HOSTS.append('localhost') below the code you already have now, that will get rid of your Sentry error!

3

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