going serverless: the best ops is noops

Going serverless –NoOps is the best opsSteven Ringo AWS Meetup Sydney 2 March 2016

No Servers?

Wut?

Bare Metal Deploy in months Lives for far too long!

Containers Deploy in seconds Lives for hours

AWS Lambda Deploy instantly Lives for seconds

Virtualisation Deploy in minutes Lives for weeks

Gazillions of baby Lambdas

AWSLambda

A compute service where you can upload your code and it runs the it on your behalf using AWS infrastructure.

AWSLambda

Code function that executes when triggered by an event.

Handler

AWSLambda

Things that happen in AWS services:

Event source

API Gateway S3 SES SNS CloudWatch(logs, events & scheduled actions)

CloudFormation DynamoDB Kinesis Cognito

AWSLambda

Trigger from custom REST API and endpoint using Amazon API Gateway

HTTPS only

API Gateway event source

AWSLambda

RequestResponse type

Assumes response will be sent

Asynchronous type for other applications

Synchronous invocationfor API Gateway

AWSLambda

Supported:

• Javascript (NodeJS) / Python / JVM

Unsupported:

• Ruby / Go / Haskell • (Actually anything)

Languages

AWSLambda

Console for simple implementations with no external dependencies. or

Zip file with your code and dependencies. Upload directly or use S3

Deployment package

AWSLambda

Only local state, and is limited to the current Lambda execution

Stateless

Amazon API Gateway

A scalable, fully-managed service to publish, maintain, monitor, and secure APIs.

Amazon API Gateway

Each resource within a REST API can support one or more of the standard HTTP methods

Define verbs supported for each resource (GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS) and their implementations

RESTful

Amazon API Gateway

Built in staging multiple stages (e.g. dev, test, deploy)

Built-in versioning multiple versions simultaneously

Staging & versioning

Amazon API Gateway

Works with Lambda or your own publicly accessible endpoints

Lambda- or custom-backed

Amazon API Gateway

Custom authorisers, e.g. JWT, OAuth

Cognito integration

Authorisation & Authentication

Amazon API Gateway

Allows resources on a web page to be requested from another domain outside the domain from which the resource originated, e.g. calls to API Gateway endpoints

CORS support

Amazon API Gateway

Android, iOS, or JavaScript boilerplate

SDK code generation

GET https://romanapi.com/v1/numeral/MCMLXIX

{ "result": 1969, "arabic": 1969, "roman": "MCMLXIX", "success": true, "original": "MCMLXIX" }

AmazonS3

Host static websites

Massively redundant & scalable

Great for assets(css/images/javascripts)

Custom domain names

TLS supported

Amazon CloudFront

A global content delivery network (CDN) service

Amazon CloudFront

Improve performance of your web-facing assets

Amazon CloudFront

Additional layer of security, esp when coupled with WAF

AWS WAF Web Application Firewall

A web application firewall that helps protect your web applications from common web exploits

Fully managed, scalable, fast NoSQL database

Amazon DynamoDB

middlemanapp.com

jekyllrb.com

apex.run

Serverless should be

considered as part of your cloud strategy

Serverless is just another tool

in your cloud toolset

steven.ringo@versent.com.au

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