I this talk I will show you 10 steps you need to follow in order to migrate your services to serverless.

1. MIGRATING EXISTING
SERVICES TO SERVERLESS
IN 10 SIMPLE STEPS
Marcia Villalba
@mavi888uy

2. WHO I AM…
Unicorn.Codes
@mavi888uy
foobar123.com

3. @mavi888uy
<BACKGROUND STORY>

4. @mavi888uy
1. IDENTIFY THE PROBLEMS

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2. TRAIN THE TEAM

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3. CREATE A POC AND VALIDATE
YOUR HYPOTHESIS

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Identity
AWS Cognito user pools +
AWS Lambda
Session configuration
AWS Dynamo DB +
AWS Lambda
Content
AWS S3 +
AWS Lambda
Transcoding
AWS Elastic Transcoder +
AWS Lambda
Image Resizer
API Gateway w/ Binary
response + AWS Lambda

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4. OPTIMISE THE SOLUTION TO TAKE
ADVANTAGE OF THE CLOUD

9. TAKE ADVANTAGE OF THE EDGE

10. 5. REDESIGN A BIT EVERYTHING
TO FOLLOW GOOD PRACTICES

11. Distributed systems
Event driven architecture
Loosely coupled system
Asynchronous communications

14. Design for failures and duplicates events

16. 6. TIME TO START THE REAL CODING

17. Infrastructure as code

18. Architectural diagrams

19. Correct use of resource names
Information to include in the resources
names:
• Name of the service/project
• Stage
• Name of the resource
Have an standard for all the projects!

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7. AUTOMATE YOUR TESTING

21. Unit tests
Keep business logic outside the handler
Unit tests should run without internet
Should mock the external services

22. Integration tests

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8. AUTOMATE YOUR CONTINUOUS
INTEGRATION/CONTINUOUS DEPLOYMENT
PIPELINE

25. Independently deployable

28. Automatic
deployments

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9. MONITOR THE SYSTEM

30. How to know that something failed?

31. Dashboards

32. Soft limits

33. Log levels

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10. GO BACK TO STEP 1

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QUESTIONS?