node.js - What is the right way to set attachments path in nodeMailer? -

i'am newbie of nodejs world. want send email embedded image. image didn't show in email. thought might file path setting. here mailoptions,

    var mailoptions = {         from: 'mymail@gmail.com',         to: to,         subject: subject,         html: html,         attachments: [{             filename: "logo.png",             filepath: "/images/logo.png",             cid: "logo-mail"         }]     }; 

and directory keeps static files is

myproject/          assets/                images/                js/                styles/ 

and html,

<img src="cid:logo-mail" /> 

here result in email,

<img src="cid.php?mid=e_zghjaqv4zqllagnkzqnjzgn1aqt3zt==&amp;pj=logo-mail" alt="cid.php?mid=e_zghjaqv4zqllagnkzqnjzgn1aq"> 

i not sure right set file path ?

filepath: "/images/logo.png" 

i did

filepath: process.cwd() + "/assets/images/logo.png" 

and it's working !

thanks helping.