AWS Lambda and serverless Java | DevNation Live

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With AWS Lambda and Azure functions
Quarkus serverless
Bill Burke
1

AGENDA
2
● Intro: What is Serverless?
● Quarkus Serverless Story
● DEMOS
○ Improve Lambda cold start with Quarkus and Graa...

What is Serverless?
3
● Scale to Zero
○ Event triggered service spinup
○ Event triggered autoscaling
○ CGI 2.0 - only sort...

Why Serverless?
4
● Reduce Costs
○ $$$ in the public cloud
○ Density/resources in the private cloud
● Deployment simpler a...

Serverless disadvantages
5
● Cold-start latency
○ Hard boot
○ AWS Provisioned Concurrency is PAY-HOURLY rather than
PAY-PE...

Java Serverless disadvantages
6
● Java optimized for long-running server applications
● Performance at the expense of memo...

— nutrecht July 2018

8
Quarkus perfect
for serverless

Quarkus serverless vision
QUARKUS SERVERLESS STORY
● Reduce Java footprint and cold start latency
○ Quarkus doesn’t assume...

10
Quarkus +
Lambda
DEMO

Quarkus Lambda extension demo
QUARKUS SERVERLESS STORY
● Reduce memory footprint and cold start with Graal
● Bring Spring ...

Setup POM
QUARKUS SERVERLESS STORY
● Quarkize your pom (quarkus plugin). Same as any other Quarkus project
● quarkus-amazo...

How does Quarkus + Lambda work?
QUARKUS SERVERLESS STORY
● JVM Mode
○ Thin Lambda StreamHandler that wraps your Lambda
○ B...

14
What about
vendor lockin?!

15
Quarkus
+
Lambda
+
REST
DEMO

Quarkus + Lambda + REST
QUARKUS SERVERLESS STORY
● Write portable REST microservices and functions
● Deployable to Lambda
...

Setup for Quarkus + REST + Lambda
QUARKUS SERVERLESS STORY
● AWS API Gateway
● Install SAM CLI
○ Allows easy integration w...

How does Lambda + REST work?
QUARKUS SERVERLESS STORY
● Leverage AWS API Gateway
○ Map HTTP endpoint to a Lambda
● Resteas...

19
Quarkus
+
Azure
+
REST
DEMO

Quarkus + Azure + REST
QUARKUS SERVERLESS STORY
● Write portable REST microservices and functions
● Deployable to Azure Fu...

Setup for Quarkus + REST + Azure functions
QUARKUS SERVERLESS STORY
● Install Azure CLI
● Modify POM
○ Azure plugin
○ Zip ...

How does Azure + REST work?
QUARKUS SERVERLESS STORY
● Thin @HttpTrigger wrapper function
○ Bootstraps Quarkus once
○ Azur...

23
Quarkus Funqy
FaaS framework

Portable FAAS framework
QUARKUS SERVERLESS STORY
● Not all FaaS frameworks support REST
● For AWS at least, extra things a...

Quarkus Funqy Services
QUARKUS SERVERLESS STORY
public MyFunction {
@Funq
public OutputObject myfunc(InputObject input) {
...

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