# Default value is `127.0.0.1`. Set IP address as our trusted upstream address.
UPSTREAM_REAL_IP_ADDRESS=
# Default value is `X-Forwarded-For`. Set request header field whose value will be used to replace the client address
UPSTREAM_REAL_IP_HEADER=
# Allowed values are on|off. Default value is `off`. If recursive search is disabled,
# the original client address that matches one of the trusted addresses
# is replaced by the last address sent in the request header field defined by the real_ip_header directive.
# If recursive search is enabled, the original client address that matches one of the trusted addresses is replaced by the last non-trusted address sent in the request header field.