ArnauAregall / aws-lambda-spring-cloud-function-reactive-java

aws-lambda-spring-cloud-function-reactive-java

Demo application to test Reactive Spring Cloud Functions on AWS Lambdas using a native runtime.

Requirements:

• Docker
• Java +17 GraalVM
• SAM

Building the native AWS Lambda artifact with SAM

Linux:

sam build

macOS:

AWS Lambda requires native applications to be built in an Amazon Linux compatible OS, so on macOS we need to run the build in a compatible Docker container.

1. Build the Docker image compatible with AWS Linux:

   ./aws-image/build-aws-image.sh

2. Run sam build specifying the Docker image:

   sam build --use-container --build-image tech.aaregall.lab/amazonlinux-graalvm:latest

Deploy the application as an AWS Lambda using SAM

Define the following environment variables on the deployment host.

export AWS_REGION=...

Deploy the Lambda application

sam deploy --region $AWS_REGION

See CloudWatch logs

sam logs -n SpringCloudFunctionLambda --stack-name aws-lambda-spring-cloud-function-reactive-java

Delete the Lambda application

sam delete SpringCloudFunctionLambda