With the release of AWS Lambda Amazon has created an entire new category of architectures. Serverless architectures where the entire concept of servers is abstracted away from the developer.

1. Look Ma! No Servers!
Erwin van der Koogh
Principal Consultant
@evanderkoogh
How serverless architectures are
going to change the world
of software development

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“Soon deploying applications
will be as out-dated as manual
memory management for
exactly the same reasons..“
- 2 year younger me

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Example

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2 DynamoDB Tables:
Threads & Posts

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Lambda: GetThreads

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Lambda: GetPosts

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Lambda: newPosts

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Lambda: Authorise

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Lambda: updateLastPost

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Host SPA on S3 & Cloudfront

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Consequences

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Microservices
all the way down

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CQRS / Event Sourcing

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Beware of
the Dragons..

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Distributed
Computing
is hard..

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Debugging
distributed systems
is harder

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updateLastPost did it
In
the Query
With a TimeOut

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Tools don’t support scaling
Yet?

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But there is
also treasure

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“Our architecture does not
include servers for the
same reason it does not
include electricity”
- Chris Turner (@bestfriendchris)

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2 x M3.Large EC2 + ELB?
$1645

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1 million typical
API-Gateway / Lambda requests?
$5-8

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Not worrying about servers?
Priceless..

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‘Immutable’ services

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Done services

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Email Thread Watchers

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Moderation

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Cloud Search

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