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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Kim Kao, Solutions Architect
23 Aug, 2018
AWS
Serverless Event Driven Design

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Sponsor

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Agenda
1.
2. AWS
3. Lambda
4.
5. SAM CLI
6. Demo

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
…

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Eric Evans
“Ubiquitous Language
”
“Bounded Context
”

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Eric Evans

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.
©2018, AmazonWebServices, Inc. or Its Affiliates. All rights reserved.
( )

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.
©2018, AmazonWebServices, Inc. or Its Affiliates. All rights reserved.
vs
webserver
.package
Order UI
Order service
Inventory
service
Shipping
service
O rder UI
Inventory
service
O rder
service
Shipping
service

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.
©2018, AmazonWebServices, Inc. or Its Affiliates. All rights reserved.

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS Lambda
AWS Lambda + Amazon API Gateway
•
•
•

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
…

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS Lambda ?
• Linux
• Process/Networking
•
•
•
•

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Node.js
Python
Java
C#
Go

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Handler() Context
ID, ID
public String handleRequest(Book book, Context context) {
saveBook(book);
return book.getName() + " saved!";
}
Lambda

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS Lambda

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Lambda
(push) (event) (Poll)
Amazon
API Gateway
AWSLambda
function
Amazon
DynamoDBAmazon
SNS
/order
AWSLambda
function
Amazon
S3
reqs
Amazon
Kinesis
changes
AWSLambda
service
function

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS Lambda
• Static
websites
• Complex web
apps
• Packages for
Flask and
Express
• Real time
• MapReduce
• Batch
• Powering
chatbot logic
• Apps &
services
• Mobile
• IoT
</></>
Amazon
Alexa
• Powering
voice-enabled
apps
• Alexa Skills
Kit
IT
• Policy engines
• Extending
AWS services
• Infrastructure
management

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
*
API
API
?

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
• API
• API Key
• SigV4 API
• API
• Lambda
Amazon API Gateway

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
API Gateway
• API
• Amazon CloudFront DDoS
• iOS, Android, and JavaScript
SDK
• Swagger API
•

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
API Gateway
Internet
Mobile Apps
Websites
Services
AWS Lambda
functions
AWS
API Gateway
Cache
Endpoints on
Amazon EC2
Amazon
CloudWatch
Monitoring
Amazon
CloudFront
YOUR VPC
Endpoints in
Your VPC
Regional API Endpoints
All publicly
accessible endpoints
AWS Lambda
functions

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Lambda
AWS Lambda
Amazon DynamoDB
Amazon SNS
Amazon API Gateway
Amazon SQS
Amazon Kinesis
THE COMPLETE PLATFORM
Amazon S3
AWS Step Functions

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Seat
occupied
Menu offered
Ordered 2 cups
of Americano
Paid
Order
received
Coffee
made up
Customers
Left
Table
Cleaned

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
•
•
•
•
ACTORS

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
/

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.
©2018, AmazonWebServices, Inc. or Its Affiliates. All rights reserved.
Event Bus
(pub/sub)
Put
event
Event
Event
CloudWatch Event

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
HTTP/HTTPS/TCP traffic
Remote Procedure Call
Publish Event
External System
Email
Persistence

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AdapterAmazon
DynamoDB
Adapter
Amazon API
Gateway
Amazon
CloudWatch
Event
Adapter
Adapter AWS
Lambda

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
• Isolated Domain Model
• Domain – Stable
• Interface – Hug Changes
• Dependency Control
• Vendor Lock issue ( J )

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Client
Order Handler
Order
Domain
Order API
Order Table
Order Created Event
Barista
Handler
Make Up
Domain
Order Created Event
Accept
Created Order

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
• Cucumber-Java
• Junit
• AWS-SDK-Java

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
SAM
Integrate with API Gateway
Exposed Endpoint as Communication Adapter
Lambda function as Facade
Restricted Policies

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS SAM CLI AWS SAM Local
2018-05-08
Serverless Apps
Lambda Proxy API Gateway
docker-lambda
Lambda
https://github.com/awslabs/aws-sam-cli

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
SAM CLI

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
package

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AmazonS3 Amazon
DynamoDB
Amazon
Kinesis
AWS
CloudFormation
AWSCloudTrail Amazon
CloudWatch
Amazon
Cognito
AmazonSNSAmazon
SES
Cronevents
DATA STORES ENDPOINTS
CONFIGURATION REPOSITORIES EVENT/MESSAGE SERVICES
AWS
CodeCommit
Amazon
API Gateway
Amazon
Alexa
AWSIoT AWSStep
Functions

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Demo

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Behind the scenes

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Thank you!

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
Interested in Event Storming ?
https://bit.ly/2kCZSau
AWS: YikaiKao@
Line : YikaiKao
WeChat : YikaiKao
Twitter : @YikaiKao
GitHub Repos

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.8,
AWS Facebook Taiwan Page

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©2017, AmazonWebServices, Inc. or its Affiliates. All rights reserved.
Remember to complete
your evaluations!
8,
Remember to complete
your evaluations!