If you're still running servers for website backends, come and see how you can remove server operations from your tasks list and focus on developing the best code and product. In this session, we'll take a common website architecture and show how can we use Amazon S3, AWS Lambda and other services to build smarter, better and cost effective systems.

1. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Boaz Ziniman
Technical Evangelist, Amazon Web Service
How Websites go Serverless
WebSummit Lisbon – November 2018
@ziniman
boaz.ziniman.aws
ziniman

2. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
What is
Serverless?
Build and run applications
without thinking about servers

3. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Evolving to Serverless
SERVERLESS
Virtual servers
in the cloud
Physical servers
in datacenters
Virtual servers
in datacenters

4. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
No server is easier to manage than any server
All of these responsibilities
go away
Provisioning and utilization
Availability and fault tolerance
Scaling
Operations and management

5. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless means…
No Server Management Flexible Scaling
No Idle Capacity
$
High Availability

6. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless applications
FUNCTION SERVICES (ANYTHING)
Changes in
data state
Requests to
endpoints
Changes in
resource state
Node
Python
Java
C#
.Net Core 2.0
Go
EVENT SOURCE

7. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Websites architecture

8. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Three-tier web application architecture
https://d0.awsstatic.com/whitepapers/AWS_Serverless_Multi-Tier_Architectures.pdf
Presentation Tier Logic Tier Data Tier
Website Web Server Database

9. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Here is what that translates to in real life
http://media.amazonwebservices.com/architecturecenter/AWS_ac_ra_web_01.pdf

10. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Website?

11. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Web application
Data stored in
Amazon DynamoDB
Dynamic content in
AWS Lambda

12. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless web app security
Permissions
• Bucket Policies
• ACLs
RoleRole
• Throttling
• Caching
• Usage Plans
• ACM
• Origin Access Identity (OAI)
• Geo-Restriction
• Signed Cookies
• Signed URLs
• DDOS Protection

13. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Custom Authorizers
Lambda
Function
Lambda
Function
Custom
Authorizer
Cognito
User Pool
SAML
Custom
Authorizer
Lambda
function
Two types:
• TOKEN -
authorization token
passed in a header
• REQUEST – all
headers, query
strings, paths, stage
variables or context
variables.

14. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Multi-Region with API Gateway
AWS Cloud
Regional
API
Endpoint
us-east-1
Regional
API
Endpoint
eu-west-1
api.mycorp.com
CNAME
CNAME

15. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
http://bit.ly/ServerlessShop
https://github.com/patrick-michelberger/serverless-shop

16. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Demo – https://reko.ziniman.com
https://github.com/ziniman/aws-serverless-website-photo-tagging

17. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Website – reko.ziniman.com
Amazon
Cognito Identity
Pool
JavaScript
SDK
https://reko.ziniman.com
• Write images into Images Bucket
• Read list of images
• Read data from DynamoDB
Static Site
Bucket
Images Bucket
Lambda
Function
Role

18. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Website – reko.ziniman.com
Amazon
Cognito Identity
Pool
JavaScript
SDK
• Write images into Images Bucket
• Read list of images
• Read data from DynamoDB
Static Site
Bucket
Images Bucket
Lambda
Function
Role
• Read image from Images Bucket
• Execute Rekognition detect_moderation_labels()
• Execute Rekognition detect_labels()
• Write data to DynamoDB
Role

19. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Website – reko.ziniman.com
JavaScript
SDK
Static Site
Bucket
Images Bucket
Lambda
Function

20. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Serverless Website – reko.ziniman.com
JavaScript
SDK
Static Site
Bucket
Images Bucket
Lambda
Function
[
{"photo_id": "IMG_2018920-213126787.jpg”},
{"photo_id": "IMG_2018920-213320377.jpg"}
]

21. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
What will you build?

22. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS DEVELOPER WORKSHOP SCHEDULE
10:00AM
An Introduction to AWS for
Developers
11:00AM
Supercharge Product Development
with Continuous Delivery &
Serverless Computing
12:00PM
How to Build Real-Time Interactive
Applications
1:00PM
Understanding Graph Databases
2:00PM
Building Interactive Data-Driven Apps
for Mobile & Web with GraphQL
3:00PM
How Websites go Serverless
4:00PM
Getting Started with Containers in
the Cloud
Tuesday, November 6

23. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS DEVELOPER WORKSHOP SCHEDULE
10:00AM
An Introduction to AWS for
Developers
11:00AM
AI & Machine Learning at Amazon
12:00PM
Breaking Language Barriers with AI
1:00PM
Deep Learning Demystified, A
(Mostly) Effortless Introduction
2:00PM
Machine Learning at the Edge: An
Introduction to AI/ML Options on
Mobile Devices
3:00PM
How to Avoid Common Mistakes at Scale
4:00PM
How to Build Multi-Region
Applications in the Cloud
Wednesday, November 7

24. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS DEVELOPER WORKSHOP SCHEDULE
10:00AM
An Introduction to AWS for
Developers
11:00AM
Serve Your Customers with AI from
Cloud
12:00PM
Chaos Engineering: Why Breaking
Things Should be Practiced
1:00PM
From Data Collection to Actionable
Insights in 60 Seconds
2:00PM
How to Process Transactions like a
Boss!
3:00PM
IoT – From Cloud to Edge & Back Again
4:00PM
Exploring Ad-Based Monetization
Opportunities for Modern Web &
Mobile Apps
Thursday, November 8

25. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Did We Scan Your Badge?
Remember to opt-in to AWS
communications and you will receive a
post-event email with a link to:
• AWS Developer Workshop Slides
• $200 in AWS Credits

26. © 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2018, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Thank you!
Boaz Ziniman
Technical Evangelist, Amazon Web Service
Give me feedback – Talk to my Bot
m.me/boaz.ziniman.aws
@ziniman
boaz.ziniman.aws