View Source LoggerJSON.PlugUtils (logger_json v5.1.3)
This module contains functions that can be used across different
LoggerJSON.Plug.MetadataFormatters implementations to provide
common functionality.
Summary
Functions
Grabs the client IP address from Plug.Conn. First we try
to grab the client IP from the x-forwarded-for header.
Then we fall back to the conn.remote_ip field.