JS Freakin' Everywhere: A Chatbot Powered by AWS+NodeJS

A talk given at WaffleJS, about powering Woebot with an entirely JS stack.

Transcript

1. JS Freakin’
   Everywhere
   A Chatbot Powered by AWS+NodeJS
   

   View Slide

2. Me, a year ago.
   Ecstatic Art Driftwood Flea Market Buddhist Retreat
   100% NO JS
   

   View Slide

3. Along came a startup founder...
   We made a bot!
   It helps people!
   Help us build it!
   

   View Slide

4. Who sat down beside me...
   And it has a
   punny name!!
   

   View Slide

5. And enticed Miss Pammy to code
   And we’re
   building it all in
   something called
   “NodeJS”!
   

   View Slide

6. And we’re off to the races!
   From 0 to Scalable in 5 weeks.
   AWS Lambda AWS DynamodB AWS Beanstalk
   

   View Slide

7. View Slide

8. Why Lambda?
   

   View Slide

9. SysOpsJS
   AWS Lambda
   Log Processor
   Cloudwatch BigQuery
   AWS Lambda
   Cloudwatch SlackBot
   Cloudwatch Slack
   deploy.sh Upload Notify
   Checks
   

   View Slide

10. BUT WHAT ABOUT NLP??
    99% buttons
    

    View Slide

11. We still have NLP tho...
    

    View Slide

12. NLP in JavaScript..ish!
    Python
    Classifier
    Training
    JavaScript
    Online
    Classifier
    svm intercepts
    svm weights
    tfidf scores
    mood matches
    

    View Slide

13. That takes time!
    Fine, we need to take time!
    How are you feeling?
    I’m excited about tonight
    Oh, that’s great to hear!
    • • •
    NLP!
    500ms
    Twiddle
    thumbs
    

    View Slide

14. Our “CMS”
    We need a way to
    collaboratively write
    content for Woebot!
    And we want to
    A/B content!
    And we want to
    write variants!
    And lesson
    queueing!
    And conditional content
    based on variables!
    Also, we need it
    tomorrow!
    

    View Slide

15. Google Spreadsheets to the rescue!
    

    View Slide

16. Spreadsheets + JS = So Happy Together!
    Google Apps Script
    Linter
    Google Apps Script
    JSON Exporter
    Google Apps Script
    Github Client
    New commit:
    content.json
    

    View Slide

17. Duh, we have a website
    Beanstalk
    

    View Slide

18. COMING SOON! Mobile….
    AND HIPAA! Hip-hip-hooray!
    

    View Slide

19. What’s great about JS on AWS?
    Scalable! Fast to develop! Rich ecosystem!
    Easy to use across the FULL stack!
    Not so great tho?
    Lack of NLP libs!
    Slow computation!
    Less encryption libs!
    

    View Slide