Serverless Microservices with AWS Lambda and API Gateway

We'll talk about pros and cons of using serverless as well as microservices, and I'll demonstrate how to set it up with AWS Lambda and API Gateway.

Presented on js.la on 02/23/2018

Blog: https://AlexTamoykin.com
LinkedIn: https://www.linkedin.com/in/alextamoykin/
Twitter: https://twitter.com/fsproru
Video: https://www.youtube.com/watch?v=aeQLGe8d7kk

Transcript

1. SERVERLESS MICROSERVICES By AlexTamoykin.com
2. ALEX TAMOYKIN Co-Founder, CTO @ Shuttle Finance Founder, CTO @ The Right Balance Formerly: ATV/Dreamworks, Victorious, Zestfinance
3. AGENDA WHY WHAT HOW
4. WHY
5. DEALING WITH SERVERS TAKES TIME
6. SCALING SERVERS IS HARD AND EXPENSIVE
7. MONOLITH DOESN’T SCALE
8. WHAT SERVERLESS MICRO SERVICES
9. DEPLOYMENT EVOLUTION PHYSICAL SERVERS VIRTUALIZATION FUNCTIONS
10. SERVERLESS - NO SERVERS TO MANAGE - AUTOSCALING OUT OF THE BOX - PAY PER REQUEST TIME
11. MICROSERVICES MONOLITH
12. SERVERLESS MICROSERVICES The best of both words
13. HOW
14. CREATE A LAMBDA HANDLER module.exports.hello = (event, context, callback) => { const response = { statusCode: 200, body: JSON.stringify({ message: 'Yay', input: event, }), }; callback(null, response); };
15. LAMBDA TRIGGER
16. TEMPLATIZE IT WITH SERVERLESS FRAMEWORK https://serverless.com
17. SERVERLESS.YML functions: hello: handler: handler.hello events: - http: path: hello method: get
18. $ SERVERLESS DEPLOY
19. SERVERLESS MICROSERVICES HTTP S3 SNS SNS DynamoDB RDS SES
20. SERVERLESS GOTCHAS ➤ FUNCTION EXECUTION IS CAPPED AT 5 MINUTES. ➤ FUNCTIONS CAN’T HOLD STATE. ➤ WARM UP TIMES. ➤ DEPLOYMENT PACKAGE LIMITS. ➤ TRY / CATCH EXCEPTIONS YOURSELF.
21. ITERATE AND INNOVATE
22. THANKS Blog: https://AlexTamoykin.com LinkedIn: https://www.linkedin.com/in/alextamoykin/ Twitter: https://twitter.com/fsproru