Beginning Serverless Applications with AWS SAM

Jan 17, 20190 likes124 views

This document provides an overview of AWS Serverless Application Model (SAM) which is a framework for building and managing serverless applications. SAM allows defining the architectural components of a serverless application in a SAM template and managing the application lifecycle through the SAM CLI. It describes how SAM transforms CloudFormation templates to deploy serverless resources like AWS Lambda functions, API Gateway APIs, and DynamoDB tables. The document also outlines the various commands of the SAM CLI used for local development and testing as well as deploying serverless applications.

Beginning
Serverless
Applications
With
AWS SAM
@Harprits
@NewsServerless
harprit

Beginning Serverless Applications with AWS SAM

#02
A Developer’s View
06
Serverless
Applications

#03
AWS SAM – a framework for
building and managing
Serverless applications.
AWS
Serverless
Application
Model
08

09
Organize architectural
components of your serverless
application at one place.
SAM TEMPLATE

010
Manage lifecycle of your
serverless application with one
tool.
SAM CLI

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

012
AWS::Serverless::Function
AWS::Serverless::Api
AWS::Serverless::SimpleTable
AWS::Serverless::Application
AWS::Serverless::LayerVersion
Serverless
Specific
Resources

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:*

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

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?

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

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Beginning Serverless Applications with AWS SAM

1. Beginning Serverless Applications With AWS SAM @Harprits @NewsServerless harprit

2. #01 An Overview Serverless 002

6. #02 A Developer’s View 06 Serverless Applications

7. 007 FaaSEvents BaaS

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

12. 012 AWS::Serverless::Function AWS::Serverless::Api AWS::Serverless::SimpleTable AWS::Serverless::Application AWS::Serverless::LayerVersion Serverless Specific Resources

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

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Beginning Serverless Applications with AWS SAM

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