Node.js simple HTTP getter function

server.js

/* I used this with AWS Lambda (running Node 10.x) and  [Asynchronous invocation](https://docs.aws.amazon.com/lambda/latest/dg/invocation-async.html) 
   to trigger my glitch.com twitter bot.  */

var http = require('http');

exports.handler = function(event, context, callback) {
   
    http.get({
        host: process.env.HOST,
        path: process.env.PATH
    }, function(response) {
        
        const { statusCode } = response;
        
        if ( statusCode !== 200) {
            callback("error", "Error in function");
        }
        
        var body = '';
        response.on('data', function(d) {
            body += d;
        });
        response.on('end', function() {
            console.log(body);
            callback(null, 'Hello from Lambda10');
        });
        
    } );
    
};