Azure Function using http.request

gistfile1.txt

/*
  an example that use node.js http module to make a post request.
*/
var http = require('http');
module.exports = function (context, req) {
    context.log('JavaScript HTTP trigger function processed a request.');
     var options = {
      host: 'www.mocky.io',
      port: '80',
      path: '/v2/5c839741300000ca0b6b0c96',
      method: 'POST'
    };
  
    var req = http.request(options, (res) => {
      var body = "";
  
      res.on("data", (chunk) => {
        body += chunk;
      });
  
      res.on("end", () => {
        context.res = {
          body,
          'Content-Type': 'application/json'
        };
        context.log(context.res);
        context.done();
      });
    }).on("error", (error) => {
      context.log('error');
      context.res = {
        status: 500,
        body: error
      };
      context.done();
    });
    req.end();
};