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The State of Serverless
Richie Rump, Dataveloper
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Who Am I?
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My Clique
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Agenda
• What is Serverless?
• How does Serverless work?
• Why should you care?
• Serverless in Amazon Web Services
• Serverless in Azure
• Things I wish I knew when I started
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Cloud Abstractions
• Infrastructure as a Service (IaaS) — Amazon EC2, Azure VMs
• Containers as a Service (CaaS) — Docker Cloud, Amazon ECS, Azure
Container Service
• Platform as a Service (PaaS) — Heroku, Amazon Elastic Beanstalk, Azure
Service Fabric
• Function as a Service (FaaS) — AWS Lambda, Google Cloud Functions, Azure
Functions
• Software as a Service (SaaS) – Salesforce, Office 365
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Hijacked from Serverless.Zone: https://serverless.zone/abstracting-the-back-end-with-faas-e5e80e837362
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Traditional Web Architecture
Browser
Web
Server
Database
Logic
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Typical Serverless web application
Browser
Storage
API
Database
Function
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What is Serverless?
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THERE ARE SERVERS IN
SERVERLESS
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What is Serverless?
A cloud computing execution model where the
cloud provider fully manages (virtual) servers
behind the scenes.
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Why should you care?
No servers to configure
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Why should you care?
No VMs to spin up
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Why should you care?
No framework required
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Image: http://hillfold.com/wp-content/uploads/2015/01/webFrameworksCloud.png
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Why should you care?
Automatic scaling
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Image: http://exposure.vc/wp-content/uploads/2015/07/server-1080x675.jpg
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Why should you care?
Multiple triggers
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Why should you care?
Reduced cost
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Why should you care?
Cost
• Number of executions
• Execution duration
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What’s not so great
• Vendor lock-in
• Vendor control
• Poor debugging story
• Lack of integration testing tooling
• Deployment
• No state management
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Azure Functions AWS Lambda
Functions as a Service
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How AWS Lambda works
Lambda
Container
Container
Container
. . .
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Serverless in Amazon Web Services
• Storage: S3
• Function: Lambda
• API: API Gateway
• Database:
• Aurora (Relational)
• DynamoDB (NoSQL)
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AWS Lambda- Languages
• Node.js – v4.3.2 & 6.10
• Java – Java 8
• Python – Python 2.7
• .NET Core – .NET Core 1.0.1 (C#)
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• S3
• DynamoDB
• Kinesis Streams
• Simple Notification Service
• Simple Email Service
• Cognito
• AWS CloudFormation
• CloudWatch Logs
• CloudWatch Events
• CodeCommit
• Scheduled Events
• AWS Config
• Echo
• Lex
• API Gateway
AWS Lambda - Triggers
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AWS Lambda
DEMO
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Serverless in Microsoft Azure
• Storage: Blob Storage
• Function: Azure Functions
• API: Azure Functions Proxies (Beta)
• Database:
• SQL Database (Relational)
• DocumentDB (NoSQL)
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Azure Functions - Languages
• C#
• Node.js
• F#
• Python
• PHP
• Bash
• Batch
• PowerShell
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• Storage Blob
• Webhook (GitHub!)
• HTTP
• Queue
• Timer
• Service Bus
• Document DB
• Table
• Mobile Apps
• Event Hub
• Notification Hub
• Twilio
Azure Functions - Triggers
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Azure Functions
DEMO
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Azure Functions
• Security using keys
• Language-palooza
• Outputs
AWS Lambda
• Security using roles
• Java
• VPC
Compare!
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Serverless.com
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What I wish I knew…
• Security
• Use a deployment tool (i.e. Serverless)
• Script out cloud resources
• Use Microservice Architecture concepts
• Keep a cloud mindset
• Plan for failures
• Degradation
• Request buffering
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Contact
Richie Rump
@Jorriss
http://jorriss.net
http://awayfromthekeyboard.com
http://dotnetmiami.com
http://brentozar.com
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Thank You!