An updated Express app to connect to Docker locally

updated-app.js

const express = require('express');
const AWS = require('aws-sdk');

AWS.config.update({
  region: 'us-west-2',
  endpoint: 'http://docker.for.mac.host.internal:8888'
});

const dc = new AWS.DynamoDB.DocumentClient();
const app = express();
const table = "apptable";

app.get('/test', (req, res) => {
  let params = {
    TableName: table
  };
  dc.scan(params).promise()
    .then((response) => {
      res.status(200).send(response);
    })
    .catch((err) => {
      res.status(500).send(err);
    });
});