Update app.js

@@ -87,12 +87,8 @@ async function handleEvent(event) {
       .then((stream) => {
       .then((stream) => {
         stream.on('data', (chunk) => {
         stream.on('data', (chunk) => {
           const fs = require('fs');
           const fs = require('fs');
-          const file = fs.createWriteStream('./photo/image.jpeg');
-          for(let i=0; i<= 1e6; i++) {
-          file.write(chunk);
-          }
-          file.end();
-        });
+          const file = fs.writeFileSync('./photo/image.jpeg',chunk);
+      
       });
       });
       var cheerio = require('cheerio');
       var cheerio = require('cheerio');