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Debug logging

In some cases it may be convenient to log all HTTP requests. This can be enabled by setting the CONSOLE_DEBUG_LOGLEVEL environment variable to one of the following values:

  • 0 (default) uses no logging.
  • 1 log single line per request for server-side errors (status-code 5xx).
  • 2 log single line per request for client-side and server-side errors (status-code 4xx/5xx).
  • 3 log single line per request for all requests (status-code 4xx/5xx).
  • 4 log details per request for server-side errors (status-code 5xx).
  • 5 log details per request for client-side and server-side errors (status-code 4xx/5xx).
  • 6 log details per request for all requests (status-code 4xx/5xx).

A single line logging has the following information:

  • Remote endpoint (IP + port) of the request. Note that reverse proxies may hide the actual remote endpoint of the client's browser.
  • HTTP method and URL
  • Status code of the response (websocket connections are hijacked, so no response is shown)
  • Duration of the request

The detailed logging also includes all request and response headers (if any).