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Disrupting old business models:
The story of a serverless startup

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Sam Kroonenburg
Co-Founder & CTO
Peter Sbarski, PhD
VP Engineering
A Cloud Guru
@samkroon
A Cloud Guru
@sbarski

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@samkroon @sbarski

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55,000+ engineers
Across 117 countries
@samkroon @sbarski

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Benefits
Rapid Time To Market Scale Effortlessly Disruptive Cost Model
@samkroon @sbarski

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Principles of Serverless Architecture
Illustrated with A
Cloud Guru Examples
Use a compute service to execute code on demand
Write single-purpose stateless functions
Design push-based, event-driven pipelines
Create thicker, more powerful front ends
Embrace third party services

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1. Use a compute service to execute
code on demand (aka don’t run a
server).

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API Gateway
Lambda Function
Simple Queue ServiceKinesis
Client
S3 Bucket (Storage)
Compute as back end

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Simple Notification Services
S3 Bucket (Storage)
Relational Database Service
CloudSearch
S3 Bucket (Storage)
Simple Email Service
Compute as glue

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Lambda is to compute, what S3 is to storage.
@samkroon @sbarski

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2. Write single-purpose stateless funcGons

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A look at what we built
Our Lambda Functions
Submit Ques?on
Submit Answer

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Vote
Gurubot
Take Payment
Request Protected File

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3. Design push-based, event-driven pipelines

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Encoding Media
Peter uploads a file
LambdaFirebase (Database)
Source S3 Bucket Lambda Elastic Transcoder
Destination S3SNS
LambdaDestination S3 Lambda

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4. Create thicker, more powerful front ends

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01 User Interface
03
02 Client Side Model Binding
Client Side Service Layer
06 Server Side DB Mapping
05 Server Side Model Binding
04 Server Side Service Layer
07 Database Storage

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Angular JS App Running In The Browser Across All Devices
S3 for Large File
Upload/Download
Credit Card
Payments
AuthenGcaGon
Service
Real Time
Streaming Database
Custom FuncGons
Running
in AWS Lambda
AWS API
Gateway
for generaGng and sending beauGful
templated emails based on system events
AWS
CloudSearch
Customer
AnalyGcs
& Messaging

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01 User Interface
03
02 Client Side Model Binding
Client Side Service Layer
04 Database Storage
05 Cloud FuncGons

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5. Use third party services

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What’s next -
Immutable architectures
Produc?on Deployment 1
Produc?on Deployment 2
API GatewayUser’s Browser
Version 1
Version 2

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How can you get started?
• Follow @acloudguru for serverlessconf videos
• hp://acloud.guru - free lambda course for all
aIendees.
• Book: “Serverless Architectures on AWS”
hp://serverless.acloud.guru
40% off for aIendees
@samkroon @sbarski

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Thanks ;-)
http://acloud.guru
@samkroon
@sbarski