easiest_post

post.php

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_URL,"http://172.17.0.3:6616/");
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            'Content-Type: application/json',
            'Content-Length: ' . strlen(json_encode($payload)))
    );

    $prediction = curl_exec($ch);