iisnode encountered an error when processing the request.

HRESULT: 0x2
HTTP status: 500
HTTP subStatus: 1002
HTTP reason: Internal Server Error

You are receiving this HTTP 200 response because system.webServer/iisnode/@devErrorsEnabled configuration setting is 'true'.

In addition to the log of stdout and stderr of the node.exe process, consider using debugging and ETW traces to further diagnose the problem.

The last 64k of the output generated by the node.exe process to stderr is shown below:

[x1B][31m
ERROR:[x1B][39m [x1B][31mCannot find the configuration for the current NODE_ENV[x1B][39m 
 [x1B][37mNODE_ENV=staging[x1B][39m 
 [x1B][32mEnsure your config.js has a section for the current NODE_ENV value and is formatted properly.[x1B][39m 
 Error: Cannot find the configuration for the current NODE_ENV
    at validateConfigEnvironment (E:\Ghost\core\bootstrap.js:70:25)
    at NearFulfilledProxy.when (E:\Ghost\node_modules\when\when.js:501:43)
    at Promise._message (E:\Ghost\node_modules\when\when.js:426:25)
    at Array.deliver [as 0] (E:\Ghost\node_modules\when\when.js:319:7)
    at runHandlers (E:\Ghost\node_modules\when\when.js:385:12)
    at Array.2 (E:\Ghost\node_modules\when\when.js:352:5)
    at runHandlers (E:\Ghost\node_modules\when\when.js:385:12)
    at drainQueue (E:\Ghost\node_modules\when\when.js:836:3)
    at process._tickCallback (node.js:419:13)