look ma! no servers! - introduction to serverless architectures

Look Ma! No Servers!

Erwin van der Koogh Principal Consultant @evanderkoogh

How serverless architectures are going to change the world

of software development

think sharp evanderkoogh

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

- 2 year younger me

think sharp evanderkoogh

think sharp

Example

think sharp evanderkoogh

2 DynamoDB Tables: Threads & Posts

think sharp evanderkoogh

Lambda: GetThreads

think sharp evanderkoogh

Lambda: GetPosts

think sharp evanderkoogh

Lambda: newPosts

think sharp evanderkoogh

Lambda: Authorise

think sharp evanderkoogh

Lambda: updateLastPost

think sharp evanderkoogh

Host SPA on S3 & Cloudfront

think sharp

Consequences

think sharp evanderkoogh

Microservices all the way down

think sharp evanderkoogh

CQRS / Event Sourcing

think sharp

Beware of the Dragons..

think sharp evanderkoogh

Distributed Computing

is hard..

think sharp evanderkoogh

Debugging distributed systems

is harder

think sharp evanderkoogh

updateLastPost did it

In the Query

With a TimeOut

think sharp evanderkoogh

Tools don’t support scaling

Yet?

think sharp evanderkoogh

think sharp

But there is also treasure

think sharp evanderkoogh

“Our architecture does not include servers for the same reason it does not include electricity”

- Chris Turner (@bestfriendchris)

think sharp evanderkoogh

2 x M3.Large EC2 + ELB?

$1645

think sharp evanderkoogh

1 million typical API-Gateway / Lambda requests?

$5-8

think sharp evanderkoogh

Not worrying about servers?

Priceless..

think sharp evanderkoogh

think sharp evanderkoogh

‘Immutable’ services

think sharp evanderkoogh

Done services

think sharp evanderkoogh

think sharp evanderkoogh

think sharp evanderkoogh

Email Thread Watchers

think sharp evanderkoogh

Moderation

think sharp evanderkoogh

Cloud Search

think sharp evanderkoogh

think sharp evanderkoogh