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© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m
Serverless SaaS
B u i l d i n g f o r M u l t i - Te n a n c y
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m
About Me
C H I E F A R C H I T E C T, T R U S T
Jason Wadsworth
jasonwadsworth@outlook.com
@quizout – Twitter
jasonwadsworth – LinkedIn
jason.wadsworth.dev - Blog
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m 3
 Understand what SaaS is and why you might want to use it
 Have an understanding of what the different AWS serverless
technologies are and how to use them
 Have questions about what things to lookout for when building a
SaaS application
 Want to be sure your SaaS application is built in a secure manor
About You
W H O I S T H I S F O R ?
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m 4
Deployment Models
AWS AppSync
AWS Lambda
Amazon DynamoDB
Pooled Isolated
AWS AppSync
AWS Lambda
Amazon DynamoDB
(all tenants) (tenant 1)
AWS AppSync
AWS Lambda
Amazon DynamoDB
(tenant 2-n)
Hybrid
AWS AppSync
AWS Lambda
Amazon DynamoDB
(pooled)
AWS AppSync
AWS Lambda
Amazon DynamoDB
(isolated 1)
AWS AppSync
AWS Lambda
Amazon DynamoDB
(isolated 2-n)
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m 5
SaaS challenges
Performance Isolation
Data Security & Privacy
Onboarding & Offboarding Compliance
Maintenance & Upgrades
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m
”If your idea of data protection is a
WHERE clause in SQL you aren’t
protecting my data”
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m 7
Build for Failures
FA I L S A F E
AWS AppSync
AWS Lambda
Amazon DynamoDB
Role
AWS Lambda
Custom Authorizer
AWS STS
Role
STS Assume Role with Dynamic
Policy
"Action": "dynamodb:*",
"Resource": "*",
"Condition": {
"ForAllValues:StringLike": {
"dynamodb:LeadingKeys": [
"<TENANT_ID>*"
]
}
}
© Armanino LLP. All Rights Reserved | Possible (Re)Defined
a r m a n i n o . c o m
Thank You!
Jason Wadsworth
jasonwadsworth@outlook.com
@quizout – Twitter
jasonwadsworth – LinkedIn
jason.wadsworth.dev - Blog

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Jason Wadsworth - Serverless SaaS.pptx

  • 1. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m Serverless SaaS B u i l d i n g f o r M u l t i - Te n a n c y
  • 2. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m About Me C H I E F A R C H I T E C T, T R U S T Jason Wadsworth jasonwadsworth@outlook.com @quizout – Twitter jasonwadsworth – LinkedIn jason.wadsworth.dev - Blog
  • 3. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m 3  Understand what SaaS is and why you might want to use it  Have an understanding of what the different AWS serverless technologies are and how to use them  Have questions about what things to lookout for when building a SaaS application  Want to be sure your SaaS application is built in a secure manor About You W H O I S T H I S F O R ?
  • 4. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m 4 Deployment Models AWS AppSync AWS Lambda Amazon DynamoDB Pooled Isolated AWS AppSync AWS Lambda Amazon DynamoDB (all tenants) (tenant 1) AWS AppSync AWS Lambda Amazon DynamoDB (tenant 2-n) Hybrid AWS AppSync AWS Lambda Amazon DynamoDB (pooled) AWS AppSync AWS Lambda Amazon DynamoDB (isolated 1) AWS AppSync AWS Lambda Amazon DynamoDB (isolated 2-n)
  • 5. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m 5 SaaS challenges Performance Isolation Data Security & Privacy Onboarding & Offboarding Compliance Maintenance & Upgrades
  • 6. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m ”If your idea of data protection is a WHERE clause in SQL you aren’t protecting my data”
  • 7. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m 7 Build for Failures FA I L S A F E AWS AppSync AWS Lambda Amazon DynamoDB Role AWS Lambda Custom Authorizer AWS STS Role STS Assume Role with Dynamic Policy "Action": "dynamodb:*", "Resource": "*", "Condition": { "ForAllValues:StringLike": { "dynamodb:LeadingKeys": [ "<TENANT_ID>*" ] } }
  • 8. © Armanino LLP. All Rights Reserved | Possible (Re)Defined a r m a n i n o . c o m Thank You! Jason Wadsworth jasonwadsworth@outlook.com @quizout – Twitter jasonwadsworth – LinkedIn jason.wadsworth.dev - Blog