Beginning Serverless Applications with AWS SAM
- 8. #03 AWS SAM – a framework for building and managing Serverless applications. AWS Serverless Application Model 08
- 9. 09 Organize architectural components of your serverless application at one place. SAM TEMPLATE
- 10. 010 Manage lifecycle of your serverless application with one tool. SAM CLI
- 11. 011 AWSTemplateFormatVersion: 2010-09-09 Transform: AWS::Serverless-2016-10-31 Resources: HelloWorldFunction: Type: AWS::Serverless::Function Properties: CodeUri: target/helloworldsam-1.0.jar Handler: com.Helloworldsam.App::handleRequest Runtime: java8 Events: HelloWorld: Type: Api Properties: Path: /hello/{name} Method: get HelloWorldTable: Type: AWS::Serverless::SimpleTable Transform Cloudformation FaaS Lambda Event API Gateway Serverless Resource DynamoDB Table
- 13. 013 Api SNS Schedule SQS Kinesis DynamoDB S3 CloudWatchEvent CloudWatchLogs IoTRule AlexaSkill Event Sources Type: Api Properties: Path: /photos Method: post Type: S3 Properties: Bucket: my-bucket Events: s3:ObjectCreated:*
- 14. 014 SAM CLI Commands sam init sam validate sam build sam local generate-event sam local invoke sam local start-api sam local start-lambda sam logs sam package sam deploy sam publish
- 15. 015 Local Testing and Debugging sam local AWS Ecosystem Services, SAR, Cloud9 Serverless Friendly Cloudformation one less thing to learn Safe Lambda Deployments CanaryXPercentYMinutes vs LinearXPercentEveryYMinutes Why SAM?
- 16. 016 MyLambdaFunction: Type: AWS::Serverless::Function Properties: Handler: index.handler Runtime: nodejs6.10 AutoPublishAlias: live DeploymentPreference: Type: LinearXPercentEveryYMinutes Traffic to new version will linearly increase in steps of X percentage every Y minutes. Ex: Linear10PercentEvery10Minutes will add 10 percentage of traffic every 10 minute to complete in 100 minutes. Type: CanaryXPercentYMinutes X percent of traffic will be routed to new version for Y minutes. After Y minutes, 100 percent of traffic will be sent to new version. Some people call this as Blue/Green deployment. Ex: Canary10Percent15Minutes will send 10 percent traffic to new version and 15 minutes later complete deployment by sending all traffic to new version. Type: AllAtOnce
- 17. 017 Demo