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@iHiD Propono
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@iHiD Jeremy Walker iHiD
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@iHiD The MonoRail One huge app that tries to do everything.
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@iHiD Dependency Hell
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@iHiD Symptom: Large Gemfiles
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@iHiD Tight Coupling
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@iHiD Symptom: Strings of behaviours
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@iHiD Messy
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@iHiD Complex
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@iHiD Hard to Understand
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@iHiD Hard to Maintain
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@iHiD Bugs
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@iHiD Pub/Sub Publish-Subscribe Pattern
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Publisher Publisher Subscriber Subscriber Subscriber Subscriber Topic Subscriber
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Mobile App Website Email Sender Friendship Suggestion Generator Initial News Feed Builder Klout Determiner New User Created Gravatar Cacher
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@iHiD Separation of concerns
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@iHiD Loose Coupling
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@iHiD Scalability
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@iHiD Add or Remove Functionality
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@iHiD Speed of Iteration
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@iHiD Propono github.com/meducation/propono
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@iHiD Sits on top of AWS. Simple Notification Services (SNS) Simple Queue Service (SQS)
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@iHiD Subscriber Subscriber Subscriber SNS Topic Publisher SQS Queue SQS Queue SQS Queue Publish N otifies Notifies Notifies Subscribes Subscribes Subscribes
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@iHiD Propono automatically: • Creates SNS topics. • Creates SQS queues. • Securely glues everything together. • Handles failures, errors, retries etc.
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@iHiD No setup.
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@iHiD Instantly and infinite scaleability.
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@iHiD As reliable as you get.
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@iHiD Fast.
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@iHiD Insanely Cheap Millions of messages for a couple of euros.
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@iHiD Two function API
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@iHiD Let’s try an example.
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@iHiD Open up your laptops.
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@iHiD Please use conference internet responsibly. No Dropbox, Google Drive, OS updates, etc.
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@iHiD > gem install propono
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@iHiD Who’s Here?
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@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.
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@iHiD Everyone :twitter List Builder Automatic Follower Web App “iHiD”
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@iHiD Let’s Try It.
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@iHiD http://bit.ly/baruco14