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CROSSING DOMAIN BOUNDARIES with GraphQL

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THE DVD RENTAL COMPANY

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VIDEO ON DEMAND

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ORIGINAL CONTENT

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BIG SHIFT?

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OLD INDUSTRY

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REMEMBER THESE?

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PROBLEM SPACE

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Studio apps

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STARTING WITH A MONOLITH

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SPECIALIZATION

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STARTING fresh

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MASH OF EXISTING & NEW DATA

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SINGLE DATA SOURCE

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UI TALKS TO MULTIPLE APIS?

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UI TALKS TO MULTIPLE POLYGLOT APIS?

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SEEMS LIKE TROUBLE

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ORCHESTRATION LAYER

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API TECH?

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API Requirements

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STOP OVERFETCHING

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EFFICIENT RELATIONSHIP FETCHING

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HANDLE COMPLEX RELATIONSHIPS

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GOING FORWARD with GraphQL

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ORCHESTRATING WITH GRAPHQL

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INITIAL HICCUPS

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query { production(id: $productionID) { title logline dates(...) { startDate endDate } talent(...) { firstName lastName } shootingLocations { address latitude longitude } } }

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EASY INTROSPECTION

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DOCUMENTATION AS A FIRST CLASS CITIZEN

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THE POLYGLOT ORCHESTRATION LAYER

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API CLIENTS

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HANDWRITTEN API CLIENTS

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AUTOGENERATED API CLIENTS

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AUTOGENERATED API CLIENTS SWAGGER CODE GENERATOR GRPC JSON API SPEC

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NETFLIX ECOSYSTEM CHANGES FAST!

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PRODUCTION - SEASON RELATIONSHIP

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DEPRECATION API

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PARTIAL DATA RESPONSES

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MICROSERVICES WILL FAIL!

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PARTIAL DATA LOAD { "data":{ "productions":[ { "title": "Stranger Things S03", "dates": "...", "shootingLocations": [] } ] }, "errors":[ { "message":"Unable to load shooting location data", "extensions":{ "error_type":"PARTIAL_LOAD_ERROR" } } ] }

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OPT-IN, NOT OPT-OUT

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NO KNIGHTS IN SHINING ARMORS

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"FETCH ALL AT ONCE" FALLACY

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LAZY LOADING STILL APPLIES

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WHAT THE future holds ...

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DUPLICATED EFFORTS

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UNIFIED STUDIO GRAPH

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GRAPHQL FEDERATION

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Conclusion

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DAMIR SVRTAN TWITTER: @DAMIRSVRTAN