Slides from a talk I gave to the the Denver Node.js Meetup on 8/17/17

1. Serverless Microservices
w/ AWS Lambda and node.js

2. Frank Valcarcel
@fmdfrank | @cuttlesoft

3. Serverless Microservices
01
02
03
04
What is AWS Lambda?
A serverless approach.
SOA w/ serverless.
What’s next?

4. λ;

5. What is AWS Lambda?
“run code without provisioning or managing servers”
serverless
Functions as a Service

6. What is AWS Lambda?
Pros
On-Demand Pricing
Event Driven Scale

7. What is AWS Lambda?
Pros
On-Demand Pricing
• $0.20 per 1 million requests, first million free
• $0.00001667 for every GB-second of compute*
*with every execution rounded up to the nearest 100ms

8. What is AWS Lambda?
Pros
On-Demand Pricing
Memory (MB)
Free tier seconds
per month
Price per 100ms
($)
128 3,200,000 0.000000208
192 2,133,333 0.000000313
… … …
1536 266,667 0.000002501

9. What is AWS Lambda?
Pros
On-Demand Pricing
• 10,000 hits/day
• 200 ms of execution time per hit at 256MB
• 31,000 requests by 2160 GB-sec = $0
Low Utilization Pricing Comparison: Lambda vs. EC2
Lightweight and low-traffic website

10. What is AWS Lambda?
Pros
On-Demand Pricing
• runs every hour
• 120,000 ms of execution time per run at 1GB
• 720 requests by 86,400 GB-sec = $1.44
Low Utilization Pricing Comparison: Lambda vs. EC2
Periodic Scheduled Job

11. What is AWS Lambda?
Pros
On-Demand Pricing
Memory & Time Requests/hour Requests/second
200 ms @ 512MB 64,000 17.8
200 ms @ 1GB 34,000 9.4
1 sec @ 1GB 7,100 2.0
Breakeven Analysis: Lambda vs. EC2

12. What is AWS Lambda?
Event Driven Scale

13. What is AWS Lambda?
Event Driven Scale

14. What is AWS Lambda?
Event Driven Scale

15. What is AWS Lambda?
Cons
Locked Environment

16. What is AWS Lambda?
Cons
Vendor Lock-In

17. What is AWS Lambda?
Cons - Limits
Resource Limits
Memory allocation range
Minimum = 128 MB / Maximum = 1536 MB (with 64
MB increments)
Ephemeral disk capacity ("/tmp" space) 512 MB
Number of file descriptors 1,024
Number of processes and threads (combined total) 1,024
Maximum execution duration per request 300 seconds (5 minutes)
Invoke request body payload size (RequestResponse) 6 MB
Invoke request body payload size (Event) 128 K
Invoke response body payload size
(RequestResponse)
6 MB

18. So, Serverless

19. POST
200 OK
API Gateway
Lambda Dynamo DB
S3
Serverless Use Case #1

20. Lambda
Dynamo DB
Serverless Use Case #2
Alexa Voice Service
Alexa, is
Keystone open
today?
Keystone Ski
Resort is closed.

21. Lambda
Dynamo DB
Serverless Use Case #3
IoT Network Kinesis

22. Lambda Dynamo DB
Serverless Use Case #3.5
IoT Network Kinesis
SNS

23. SOA

24. SOA w/ Serverless
https://dzone.com/articles/introduction-microservices

25. SOA w/ Serverless
https://dzone.com/articles/introduction-microservices

26. API Gateway
Lambda Dynamo DB
S3
Serverless Use Case #1

27. API Gateway
Dynamo DB
S3
Serverless Use Case #1
Cognito
SES

28. node.js on AWS Lambda
4.3
6.10

31. Thanks