GraphQL-native serverless backend with Fauna

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Confidential © Fauna, Inc. 2020 GraphQL-native serverless backend GraphQL Galaxy - 08 December 2021

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Confidential © Fauna, Inc. 2020 2 What is serverless? No infrastructure concerns Automatic scaling Highly available and secure Pay for value

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Confidential © Fauna, Inc. 2020 3 Zero-downtime Real-time RPO/RTO Little to no data loss Serverless benefits

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Confidential © Fauna, Inc. 2020 4 Serverless benefits Satisfy compliance requirements Reduce latency Minimal increase   in spending

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Confidential © Fauna, Inc. 2020 5 DynamoDB Global Tables fauna.link/ddb-acid

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Confidential © Fauna, Inc. 2020 6 Fauna fauna.link/moar-serverless db.fauna.com

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Confidential © Fauna, Inc. 2020 7 Fauna fauna.link/calvin

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Confidential © Fauna, Inc. 2020 8 Next-gen serverless

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Confidential © Fauna, Inc. 2020 9 A smart API layer over Fauna Rob Sutter - @rts_rob - fauna.link/workers

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Confidential © Fauna, Inc. 2020 10 Client serverless

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Confidential © Fauna, Inc. 2020 11 The Zen of Fauna Always use user-defined functions (UDFs). Compile only Login keys into clients. Compute on your data, don’t load data to compute. Hold onto your read access patterns loosely. Model your data as relational documents. Beware the single document hot write. Locks are an anti-pattern.

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Confidential © Fauna, Inc. 2020 13 ● Abstraction of your business logic ● Write once, run across every client, including GraphQL! ● Solving all the other problems in this workshop becomes simpler with UDFs ● Composition ● Wrap even the simplest call to Create or Delete in a UDF Always use UDFs

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Confidential © Fauna, Inc. 2020 14 ● Principle of least privilege ● Clients can call a Login UDF ● Sometimes they can also register a user ● Every other permission is denied ● Clients receive temporary tokens after logging in Compile only Login keys into clients

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Confidential © Fauna, Inc. 2020 15 What is serverless? 1. No infrastructure provisioning, no management 2. Automatic scaling 3. Highly available and secure 4. Pay for value

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Confidential © Fauna, Inc. 2020 16 Before we go Shadid Haque • [email protected] • @HaqueShadid  Rob Sutter • [email protected] • @rts_rob Discord - fauna.link/discord Fauna Labs - fauna.link/labs Twitter - @fauna