AWS Lambda Rekognition API

index.js

'use strict';

const request = require('request').defaults({ encoding: null });
const aws = require('aws-sdk');
const rekognition = new aws.Rekognition({region: 'eu-west-1'});

exports.handler = function(event, context, callback) {
  request(event.url, function (error, response, body) {
    if (!error && response.statusCode == 200) {
      var params = {
        Image: {
          Bytes: body
        },
        MaxLabels: 10,
        MinConfidence: 0.5
      };
      rekognition.detectLabels(params, function(err, data) {
        if(err || data.Labels.length < 1)
          callback(err || 'No items here...');
        else {
          callback(err, data);
        }
      });
    }
  });
}