Propono

@iHiD Propono

@iHiD Jeremy Walker iHiD

@iHiD The MonoRail One huge app that tries to do
everything.

@iHiD Dependency Hell

@iHiD Symptom: Large Gemﬁles

@iHiD Tight Coupling

@iHiD Symptom: Strings of behaviours

@iHiD Messy

@iHiD Complex

@iHiD Hard to Understand

@iHiD Hard to Maintain

@iHiD Bugs

@iHiD Pub/Sub Publish-Subscribe Pattern

Publisher Publisher Subscriber Subscriber Subscriber Subscriber Topic Subscriber

Mobile App Website Email Sender Friendship Suggestion Generator Initial News
Feed Builder Klout Determiner New User Created Gravatar Cacher

@iHiD Separation of concerns

@iHiD Loose Coupling

@iHiD Scalability

@iHiD Add or Remove Functionality

@iHiD Speed of Iteration

@iHiD Propono github.com/meducation/propono

@iHiD Sits on top of AWS. Simple Notiﬁcation Services (SNS)
Simple Queue Service (SQS)

@iHiD Subscriber Subscriber Subscriber SNS Topic Publisher SQS Queue SQS
Queue SQS Queue Publish N otifies Notifies Notifies Subscribes Subscribes Subscribes

@iHiD Propono automatically: • Creates SNS topics. • Creates SQS
queues. • Securely glues everything together. • Handles failures, errors, retries etc.

@iHiD No setup.

@iHiD Instantly and inﬁnite scaleability.

@iHiD As reliable as you get.

@iHiD Fast.

@iHiD Insanely Cheap Millions of messages for a couple of
euros.

@iHiD Two function API

@iHiD Let’s try an example.

@iHiD Open up your laptops.

@iHiD Please use conference internet responsibly. No Dropbox, Google Drive,
OS updates, etc.

@iHiD > gem install propono

@iHiD Who’s Here?

@iHiD Three Objectives: • A Twitter list of everyone who’s
here. • I want to follow you all on Twitter. • I want to everyone to see everyone’s faces.

@iHiD Everyone :twitter List Builder Automatic Follower Web App “iHiD”

@iHiD Let’s Try It.

@iHiD http://bit.ly/baruco14

Propono

Propono

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