Update app.js

@@ -87,7 +87,7 @@ async function handleEvent(event) {
       .then((stream) => {
         stream.on('data', (chunk) => {
           const fs = require('fs');
-          fs.writeFileSync('./photo/image.jpeg',chunk);       
+          fs.writeFileSync('./photo/image.png',chunk);       
         });
       });
       var cheerio = require('cheerio');
@@ -104,11 +104,12 @@ async function handleEvent(event) {
           'Content-Type': 'application/json',
           'Ocp-Apim-Subscription-Key': '979dc5d63344438fa4701c62feebb7dc'
         },
-        body: fs.readFileSync('./photo/image.jpeg')
+        body: fs.readFileSync('./photo/image.png')
       };
-      
+      console.log(body);
       request.post(options, function (error, response, body) {
         data=body;
+        console.log(data);
         var text='';
         while(data.indexOf('text\\')!=-1)
         {