Cloud Platform replaces all HTTP 500, 501, 502, 503 and 504 status code
responses served to visitors of your production environments with a generic
503 Service Unavailable response. Displaying the following common
response prevents the production environment from leaking error message
information:
Temporarily Unavailable
The website that you're trying to reach is having technical difficulties
and is currently unavailable. We are aware of the issue and are working
hard to fix it. Thank you for your patience.
To assist with troubleshooting during development, non-production environments pass all HTTP 5xx status codes through the load balancers back to the requesting client without any replacement. You can review these error messages in your log files, which you can access using the following methods:
To learn more about how your infrastructure allocates resources, see Tuning your infrastructure configuration.