Mobile backend without REST

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REST LESS APP MOBILE FIRST BACKEND

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REST?

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TEXT SHORT HISTORY OF REST ▸ 1996 - developing the pattern ▸ 2000 - formalizing the pattern ▸ 2010 - spreading around the world. http://www.ics.uci.edu/~ﬁelding/pubs/dissertation/rest_arch_style.htm

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TEXT REST REQUIREMENTS ▸ Client - Server ▸ No client state ▸ No client session on a client ▸ Caching (CDN and HTTP powered) ▸ Resource by URL / URI http://www.ics.uci.edu/~ﬁelding/pubs/dissertation/rest_arch_style.htm

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TEXT REST PROBLEMS ▸ Versioning ▸ Discoverability ▸ Dynamic API ▸ Assumption Driven Development

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SERVER FIRST

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MOBILE FIRST?

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TEXT MOBILE NEEDS ▸ Multiple Environments ▸ Versioning (multiple versions in store) ▸ Minimum logic on client side ▸ Sessions ▸ Feature toggles ▸ API Spec

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TEXT MICROSERVICES ▸ Multiple Instances ▸ More like distributed objects ▸ Composition enabled ▸ Feature oriented

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TEXT MICROSERVICES ▸ Multiple Instances ▸ More like distributed objects ▸ Composition enabled ▸ Feature oriented

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TEXT CONFIG SERVICE REQUEST "context": { "version": "1.0", "locale": "en_US", "bundle": "com.my.food-delivery", "device": "iPhone", "screen": { "width": 320, "height": 480 }, "uuid": "ABCD-1234-1242-1564", ... }

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TEXT CONFIG SERVICE RESPONSE "config": { "menu": { "search": { "url": "https://m.com/menu/v1/search", "context": { "session": "ABCD-1234-1242-1564", "currency": "USD" } }, "popular": [ ... ], ... }, ... }

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TEXT CONFIG SERVICE RESPONSE "error": { "kind": "temporal", "message": "We are updating our service, please wait up to 2 AM of tommorow." }

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TEXT CONFIG SERVICE RESPONSE "error": { "kind": "permanent", "message": "Please download new version from App Store", "action": "app store page" }

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TEXT SEARCH SERVICE REQUEST "search": { "term": "sushi", "context": { ... } }

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TEXT SEARCH SERVICE RESPONSE "items": [ { "title": "Roll", "price": "18 USD", "markAsFavorite": { "url": "http://food.com/markAsFavorite", "context": { "id": 1990, "user": "ABCD-1234-1242-1564" } }, } ]

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CODE IS DATA

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TEXT NEXT STEPS ▸ Tell server about needed data ▸ GraphQL ▸ Remote code injection

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TEXT CONFIG SERVICE REQUEST "context": { ... "menu": { "search": { "url": { "type": "$url" }, "json": { "type": "$object", "variables": ["$term"] } } } }

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TEXT CONFIG SERVICE RESPONSE "config": { "menu": { "search": { "url": "https://food-delivery.com/menu/v1/search", "json": { "term": "$term", "session": "ABCD-1234-1242-1564", "currency": "USD" } } } }

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GRAPH QL http://graphql.org

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REACT NATIVE https://facebook.github.io/react-native/

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SERVER APP LOGIC UI

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SERVER APP LOGIC UI

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WHY IT IS IMPORTANT?

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PROJECTS ARE DEAD

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TEXT PRODUCT TRAITS ▸ Dynamic set of functionality ▸ Data driven decisions ▸ Weekly updates

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QUESTIONS? [email protected]