nginx - pass GEOIP headers to proxy host

nginx-proxy-geoip

# http block

    geoip_city  /usr/local/share/GeoIP/GeoIPCity.dat;
    geoip_country /usr/local/share/GeoIP/GeoIPCountry.dat;
    
# location block

        proxy_set_header GEOIP_COUNTRY_CODE $geoip_country_code;
        proxy_set_header GEOIP_COUNTRY_CODE3 $geoip_country_code3;
        proxy_set_header GEOIP_COUNTRY_NAME $geoip_country_name;

        proxy_set_header GEOIP_CITY_COUNTRY_CODE $geoip_city_country_code;
        proxy_set_header GEOIP_CITY_COUNTRY_CODE3 $geoip_city_country_code3;
        proxy_set_header GEOIP_CITY_COUNTRY_NAME $geoip_city_country_name;
        proxy_set_header GEOIP_REGION $geoip_region;
        proxy_set_header GEOIP_CITY $geoip_city;
        proxy_set_header GEOIP_POSTAL_CODE $geoip_postal_code;
        proxy_set_header GEOIP_CITY_CONTINENT_CODE $geoip_city_continent_code;
        proxy_set_header GEOIP_LATITUDE $geoip_latitude;
        proxy_set_header GEOIP_LONGITUDE $geoip_longitude;