Learn the basics of building serverless microservices using a combination of AWS and Apigee. We'll go over major components of the emerging serverless stack, including AWS Lambda, AWS DynamoDB, OpenAPI, and Apigee Edge.

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Serverless Microservices
Alan Ho : Apigee
Kevin Kohut : Accenture

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What is Serverless ?
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Serverless computing is the code
execution model that the cloud provider
abstracts the complexity of managing
individual servers
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Attributes of Serverless
• No Servers to manager
• No Load Balancers
• Pay by Request
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Serverless Stack
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FaaS BaaS
PubSub
API Gateway
Async
Events
Sync
Events

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What is FaaS ?
• Deployment = VM Code
• Event-based
• No Access to File System
• Pay By Request
• Logging / Monitoring built in
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Google Functions
AWS Lambda
Azure Functions

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Role of an API Management ?
• REST <-> RPC
• API Lifecycle
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Design
Develop
Secure
PublishMonitor
Analyze
Monetize
Scale

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What is a BaaS ?
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• Multi-Tenant DB
• Usually based on NoSQL
• Lower DB Admin overhead
• Pay By Request / Storage
• Logging / Monitoring built in
API BaaS
(Usergrid)
Firebase
DynamoDB
Cloud
Datastore
SimpleDB
Google BaaS
AWS BaaS

9. |
(m) obile
B ackend
a s
a
S ervice
Datastore
Push
Notifications
Connections
/Social
Location
Users
…and more
Application

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On the Inside
Tomcat (Usergrid Application)
- Rest APIs
- Orchestration & Integration
Cassandra
- Used as Source of Record
- Highly scalable data model including multi-level sharding of data
ElasticSearch
- Provides all indexing for Usergrid with custom index
mappings
- Purpose-built for indexing

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Benefits
• Economies of Scale
• No Less Ops
• Simplified Programming Model
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Gotchas
• No Filesystem
– Lack of Config Management
– Monitoring Flexability
• Lack of Indexing Control
• Beholden to Auto-scaling algorithms
• Rigid Programming Model
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Autodesk Production Deployment
Email sent
to user
User
talr-cla
talr-configtalr-cloudtrail
talr-accountinfo
talr-vpc
talr-notify
talr-cla-response
talr-directconnect
talr-director
talr-validator
talr-cfn-response
talr-taskstatus
POST /account
POST /directconnect
AWS Lambda function
- Application Logic
AWS SNS Topic
- Asynchronous notifications
AWS DynamoDB Table
- Datastore
Apigee
- API Proxy
AWS SES
- Outbound Email
ServiceNow
- Request Form
Legend
talr-cbinfo
talr-receptionist talr-interrogator
talr-inquirer
talr-cla-request
GET /account
GET /{service}
POST /cloudtrail POST /config POST /vpc
talr-dispatch-request
talr-notify-request
DDB event

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Considerations
Serverless Containers
Code Deployment ✔ ✔
No Server
Management
✔
Persistent Workload ✔
Event Based
Workload
✔
C applications /
Libraries
✔
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16. Thank you