How to Build a Serverless Chatbot for $0?
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The document is a guide by Slobodan Stojanovic on building a serverless chatbot at no cost using Claudia Bot Builder on AWS. It covers the necessary prerequisites, the core functionalities of the bot, and lists various options for natural language processing (NLP) and integrations with multiple platforms. Additionally, it highlights the pricing structure of AWS Lambda and provides links to example projects for reference.
How to Build a Serverless Chatbot for $0?
- 1. HOW TO BUILD A SERVERLESS CHATBOT FOR $0
- 2. I’M SLOBODAN STOJANOVIC CTO OF CLOUD HORIZON JS BELGRADE MEETUP ORGANIZER GITHUB.COM/STOJANOVIC TWITTER.COM/SLOBODAN_
- 3. CLOUD HORIZON WE HELP BUSINESSES BUILD INNOVATIVE WEB AND MOBILE SOLUTIONS
- 4. CHATTERBOT / CHAT BOT a type of conversational agent, a computer program designed to simulate an intelligent conversation with one or more human users via auditory or textual methods.
- 5. A BIT OF A HISTORY
- 6. • Turing Test (1950) • Eliza (1966) • Parry (1972) • A.L.I.C.E. (1995) • Jabberwacky (2005) • Slack Bot (2014) • Telegram and FB Bots (2015) • Many others (2016)
- 7. WHEN PARRY MET ELIZA
- 14. MOST OF THEM ARE USING WEBHOOKS
- 15. Hello { sender: { id: 12345 }, recipient: { id: 54321 }, timestamp: 1483413621558, message: { app_id: 999999, text: 'Hello' } } { recipient: { id: '12345' }, message: { text: 'Hi there' } } Hi there
- 16. MOST OF THEM? WHAT ABOUT THE DIFFERENT ONES?
- 17. • Slack Bot users • Amazon Alexa • iMessage and Siri
- 18. WHAT DO YOU NEED TO KNOW TO BUILD A CHATBOT
- 21. <PROGRAMMING/>
- 22. WHAT DO YOU NEED TO KNOW TO SETUP A CHATBOT
- 23. • Server • SSL • Setup API / Webhooks • Register app / bot • Setup tokens, webhook url, etc. • Write the logic • …
- 25. IS THERE A BETTER WAY?
- 26. YES, OF COURSE!
- 27. • Visual chatbot builders (Chatfuel) • Bot frameworks (Microsoft Bot Framework) • Amazon Lex •Many other options
- 29. BUILDING CHATBOTS IS NOT FUN, MOST OF THE TIME AT LEAST, NOT AS MUCH AS IT SHOULD BE
- 30. WE DECIDED TO FIX THAT AT LEAST, FOR US
- 32. Claudia Bot Builder is an extension library for Claudia.js that helps you create bots for 10 platforms.
- 33. The key idea behind the project is to remove all the boilerplate code and common infrastructure tasks, so you can focus on writing the really important part of the bot – your business workflows.
- 35. OK, LET ME SHOW YOU
- 36. var botBuilder = require('claudia-bot-builder') module.exports = botBuilder(function(message) { return 'Hi there! You sent “' + message.text + '“' })
- 37. const botBuilder = require('claudia-bot-builder') module.exports = botBuilder(message => `Hi there! You sent “${message.text}”`)
- 38. • AMAZON WEB SERVICES ACCOUNT • Node.js (version 4.3.2 is preferred) • Install Claudia and Claudia Bot Builder from NPM PREREQUISITES
- 39. claudia create --region eu-central-1 --api-module bot
- 40. SIMPLY RUN ONE COMMAND TO DEPLOY THE BOT
- 41. TO SETUP DIFFERENT PLATFORMS ADD ANOTHER FLAG
- 42. claudia create --region eu-central-1 --api-module bot --configure-fb-bot
- 45. LET’S SEE IT
- 48. HOW IT WORKS
- 49. zzz… { sender: { id: 12345 }, recipient: { id: 54321 }, timestamp: 1483413621558, message: { app_id: 999999, text: 'Hello' } } { recipient: { id: '12345' }, message: { text: 'Hi there' } } { sender: 12345, platform: ’facebook’, text: ‘Hello’, postback: false, originalRequest: {…} } HelloHi there
- 50. PRICE
- 52. $0
- 53. AWS LAMBDA PRICING •$0.20 per 1 million requests •$0.00001667 for every GB-second used •First million requests each month are free •First 400,000 GB-seconds are free
- 54. AWS LAMBDA IS STATELESS. HOW DO WE SAVE THE STATE?
- 55. USE DYNAMO DB
- 56. IS THERE AN EASIER WAY TO BUILD COMPLEX MESSAGES?
- 57. YES!
- 58. const botBuilder = require('claudia-bot-builder'); const fbTemplate = botBuilder.fbTemplate; module.exports = botBuilder(message => { if (message.type === 'facebook') { const newMessage = new fbTemplate.Text('What's your favorite House in Game Of Thrones'); return newMessage .addQuickReply('Stark', 'STARK') .addQuickReply('Lannister', 'LANNISTER') .addQuickReply('Targaryen', 'TARGARYEN') .addQuickReply('None of the above', 'OTHER') .get(); } });
- 60. CAN WE ADD NLP FOR $0 TOO?
- 61. YES OF COURSE, THERE’S A FEW OPTIONS:
- 62. • API.ai • Wit.ai • IBM Watson* • Luis.ai
- 63. EXAMPLES?
- 65. SAMPLE BOTS:
- 66. SPACE EXPLORER FB BOT: M.ME/SPACE.EXPLORER.BOT GITHUB.COM/STOJANOVIC/SPACE-EXPLORER-BOT
- 68. LAPTOP FRIENDLY VIBER BOT: VIBER.COM/LAPTOPFRIENDLY GITHUB.COM/STOJANOVIC/LAPTOP-FRIENDLY-BOT
- 74. MORE INFO
- 76. WHAT’S NEXT?