nginx/conf.d/maps.conf

#limit GET querries
geo $whitelist {
    default 0;
    127.0.0.1/32 1;
    164.132.206.135/32 1;
}

map $request_method $request_method_check {
    default 0;
    "GET" 1;
}

map $request_method_check:$arg_apiKey $request_check {
    default 0;
    "1:freekey" 1;
}

map $whitelist:$request_check $limit_request {
    default 0; 
    "0:1" 1;
}

map $limit_request $limit {
    1     $binary_remote_addr;
    0     "";
}