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AWS December 2015 Webinar Series - Build Mobile Backends with AWS Lambda and Amazon API Gateway

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AWS Lambda is a compute service that runs your code in response to triggers and automatically manages the compute resources for you. Amazon API Gateway is a fully managed service that makes it easy for developers to publish, maintain, monitor, and secure APIs at any scale.

This webinar will familiarize you with the basics of AWS Lambda and Amazon API Gateway and demonstrate how to build mobile backends using these services. You will learn how to set up API endpoints that trigger AWS Lambda functions to handle mobile API requests. You will also learn how to use Lambda to read and write to DynamoDB.
Learning Objectives:
Understand key AWS Lambda and Amazon API Gateway features
Learn how to set up a mobile backend using Amazon API Gateway and AWS Lambda
Explore sample use cases, best practices and tips on using AWS Lambda with Amazon API Gateway
Who Should Attend:

Developers, devops engineers, mobile developers

Veröffentlicht in: Technologie
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AWS December 2015 Webinar Series - Build Mobile Backends with AWS Lambda and Amazon API Gateway

  1. 1. © 2015, Amazon Web Services, Inc. or its Affiliates. All rights reserved. Presenter: Vyom Nagrani, Sr. Product Manager, AWS Lambda Q&A Moderator: Stefano Buliani, Sr. Product Manager, Amazon API Gateway Q&A Moderator: Aaron Kao, Sr. Product Marketing Manager, Microservices December 10th, 2015 Build Mobile Backends with AWS Lambda and Amazon API Gateway
  2. 2. Amazon API Gateway: A fully managed service for running APIs at scale  Build, Deploy, and Manage APIs  Throttling rules per HTTP method  Cache with customizable keys  Multiple API versions and stages  Generate client SDKs  Dashboard for visual monitoring  Flexible authorization model  API Keys for 3rd party developers
  3. 3. Benefits of API Gateway for building mobile backends Low cost and efficient Performance at any scale Easily monitor API activity Streamline API development Flexible security controls Create RESTful Endpoints
  4. 4. AWS Lambda: A compute service that runs your code in response to events Lambda functions: Stateless, trigger-based code execution Triggered by events: • Direct Sync and Async invocations • Put to an Amazon S3 bucket • API Gateway call • And many more … Makes it easy to • Build back-end services that perform at scale • Perform data-driven auditing, analysis, and notification
  5. 5. Continuous ScalingNo Servers to Manage AWS Lambda automatically scales your application by running code in response to each trigger. Your code runs in parallel and processes each trigger individually, scaling precisely with the size of the workload. Subsecond Metering With AWS Lambda, you are charged for every 100ms your code executes and the number of times your code is triggered. You don't pay anything when your code isn't running. AWS Lambda automatically runs your code without requiring you to provision or manage servers. Just write the code and upload it to Lambda. Benefits of AWS Lambda for building mobile backends 1 2 3
  6. 6. API Gateway + Lambda = Frontend + Backend ! Internet Mobile Apps Websites Services API Gateway AWS API Gateway Cache Endpoints on Amazon EC2 Any other publicly accessible endpoint Amazon CloudWatch Monitoring Amazon CloudFront AWS Lambda functions
  7. 7. Walkthrough of a simple CRUD backend with a RESTful API endpoint using AWS Lambda Amazon API Gateway AWS Lambda Amazon DynamoDB API call from client app Request/Response CRUD Operations
  8. 8. CRUD operations with DynamoDB ‘echo’ and ‘pong’ for testing Error handling for incorrect inputs Execute the operation with the event payload
  9. 9. Architectural pattern for a simple three-tier application Recommended whitepaper AWS Serverless Multi-Tier Architectures https://d0.awsstatic.com/whitepapers/AWS_Serverless_Multi-Tier_Architectures.pdf
  10. 10. Reference Architecture: Mobile backend using Amazon API Gateway and AWS Lambda https://s3.amazonaws.com/awslambda-reference-architectures/mobile-backend/lambda-refarch-mobilebackend.pdf
  11. 11. Sample code: Mobile backend using Amazon API Gateway and AWS Lambda CloudFormation templates Template One configures • Amazon S3 • Amazon CloudFront • Amazon DynamoDB Template Two creates • 3 different AWS Lambda functions • AWS IAM roles and policies Setup instructions • Deploy setup using Template One • Create CloudSearch domain • Update environment variables in the Lambda function code • Upload Lambda function code to S3 and Deploy using Template Two • Link DynamoDB table as event source https://github.com/awslabs/lambda-refarch-mobilebackend/
  12. 12. Three Next Steps 1. Create and test your first API. With a few clicks in the AWS Management Console, you can create an API that acts as a “front door” for applications to access data, business logic, or functionality from your back-end services. 2. Create and test your first Lambda function. With AWS Lambda, there are no new languages, tools, or frameworks to learn. You can use any third party library, even native ones. 3. Select Lambda as your backend for your API … Use the sample code and setup instructions to quickly create your first mobile backend using Amazon API Gateway and AWS Lambda.
  13. 13. Thank you! Visit http://aws.amazon.com/api-gateway, the AWS blog, and the API Gateway forum to learn more and get started using API Gateway. Visit http://aws.amazon.com/lambda, the AWS Compute blog, and the Lambda forum to learn more and get started using Lambda.

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