Serverless Architecture - PragueJS 30.6.2016

Serverless can also mean applications where some amount of server-side logic is still written by the application developer but Function as a Service, unlike traditional architectures is run in stateless compute containers that are event-triggered, ephemeral (may only last for one invocation), and fully managed by a 3rd party.

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1. Serverless Architectures
   Ladislav Prskavec
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2. Serverless is a hot topic in
   the software architecture
   world.
   1
   Mike Roberts
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3. What is Serverless?
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4. Backend as a Service
   and
   Function as a Service
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5. Backend as a Service (BaaS)
   4 Firebase - DB + Auth
   4 Hoodie - Offline first, PouchDB
   4 Algolia - Search
   4 Auth0 - SSO, Token Based Auth
   4 Kinvey - Mobile Backend as Service
   4 Syncano - Assemble your backend
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6. Function as a Service (FaaS)
   4 Amazon Lambda & API Gateway (Nov'14)
   4 IBM Bluemix Openwhisk (Feb'16)
   4 Google Cloud Functions (Feb'16)
   4 Azure Functions (Mar'16)
   4 Webtask.io (Mar'15)
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7. Amazon Lambda
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8. Amazon Lambda - Inputs
   4 Event Source
   4 API Gateway
   4 S3
   4 Kinesis
   4 DynamoDB
   4 AWS Config
   4 Amazon Cognito
   4 AWS CloudFormation
   4 ...
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9. Amazon Lambda - Processing
   4 Compute Service
   4 Languages (NodeJS 0.10 and 4.3, Java, Python)
   4 Security Model (IAM, VPC)
   4 Cascading
   4 Run code at any scale
   4 Charged on execution scale
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10. Amazon Lambda - Outputs
    4 Event
    4 Storage
    4 Messaging
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11. Cost effective
    Scenario - 16k req/day @ 200ms avg = 3200 s/day
    $2.97/day - 2 EC2 instances (upfront)
    $0.05/day - Lambda (1GB)
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12. Frameworks
    4 Apex
    4 Serverless
    4 Zappa
    4 Sparta
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13. Apex - http://apex.run
    4 in golang support nodejs, golang, python, java
    4 optional terraform support
    4 multiple deployment targets for different
    environments
    4 idempotent deployments
    4 author @tjholowaychuk
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14. Serverless - http://www.serverless.com
    4 in NodeJS support Javascript only
    4 Beta, still many changes, roadmap to 1.0
    4 CloudFormation
    4 Many Plugins
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15. Zappa - https://zappa.gun.io
    4 in Python support Python
    4 https://github.com/Miserlou/lambda-packages
    4 https://github.com/Miserlou/django-zappa
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16. Sparta - http://gosparta.io
    4 in Golang support Golang
    4 CloudFormation
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17. Security
    4 https://github.com/vandium-io/vandium-node
    4 Powerful input validation, Forces values into correct types
    4 JSON Web Token (JWT) verification and validation
    4 Cross Site Request Forgery (XSRF) detection when using JWT
    4 SQL Injection (SQLi) detection and protection
    4 Environment variable mapping,
    4 Free resources post handler execution
    4 Handles uncaught exceptions
    4 Promise support
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18. Testing
    4 https://github.com/lambci/docker-lambda/
    4 Docker images and test runners that replicate the
    live AWS Lambda environment
    4 NodeJS 0.10/4.3
    4 Python
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19. Architectures examples
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20. PragueJS, 30.6.2016 20
    

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28. Q & A
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29. Resources
    4 https://aws.amazon.com/lambda/
    4 https://github.com/anaibol/awesome-serverless
    4 https://cloudcraft.co
    4 https://github.com/lambci/docker-lambda/
    4 http://www.allthingsdistributed.com/2016/05/aws-lambda-serverless-
    reference-architectures.html
    4 https://www.thoughtworks.com/radar/techniques/serverless-architecture
    4 https://serifandsemaphore.io/azure-cloud-functions-vs-aws-lambda-
    caf8a90605dd#.dbk2yntw1
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