medium-botframework-part1-echobot-app

.env.development

NODE_ENV=development
PORT=80
APP_ID=
APP_SECRET=

app.js

const builder = require('botbuilder')
const dotenv = require('dotenv')
const express = require('express')

// Instantiate express
const app = express()

// Load .env configs
dotenv.config()

// Start Express listener
app.listen(process.env.PORT, () => console.log('Up and running!'))

// Instatiate the bot connector (will listen to messages)
const connector = new builder.ChatConnector({
  appId: process.env.APP_ID,
  appPassword: process.env.APP_SECRET
})

// Bind the messages endpoint to the bot connector listener
app.post('/api/messages', connector.listen())

// Instantiate the bot interface
const bot = new builder.UniversalBot(connector)

// Default/Fallback dialog
bot.dialog('/', (session) => {
  // Get the user sent message
  const message = session.message.text

  // Echo back the message for the user
  session.send(message)
})