Learning Salesforce Einstein

Obtaining the access token from Private Key

We will use Express Server (https://expressjs.com/) to take advantage of built-in HTTP utility. For View Engine, we will use EJS. We will also make use of routes the EJS provides to render a simple HTML markup that displays the OAuth token. The code to initialize express server configuration is shown as follows:

      var server = require('express');      var jwt = require('jsonwebtoken');      var request = require('request');      var PORT = process.env.PORT || 5000;      var pvsUrl = process.env.EINSTEIN_VISION_URL;      var accountId = process.env.EINSTEIN_VISION_ACCOUNT_ID;      var privateKey = process.env.EINSTEIN_VISION_PRIVATE_KEY;      var app = server();      // Require Routes js      var routesHome = require('./routes/home'); // Serve ...