Kotlin/JVM Lambda example

Overview

kotlin-lambda-example-jvm

Kotlin Lambda example on JVM contains four CDK stacks of Kotlin Lambda on JVM: JVM on x86, JVM on Arm64, JVM with C1 compiler on x86, JVM with C1 compiler on Arm64,

Build & Deployment from local machine

Build kotlin app

Unit tests are using Testcontainers to run DynamoDB locally. Ensure docker is running locally, then execute:

./gradlew clean build

Set up CDK deployment

Set up npm:

cd ${GITHUB_WORKSPACE}/infrastructure
npm install
npm run build

If you have not set up CDK in you AWS account yet, please run (replace variables in brackets with actual values):

npx cdk bootstrap aws://[aws_account_id]/[aws_region]

Now deploy the Kotlin/JVM app:

npx cdk deploy -vv --require-approval never Kotlin-Lambda-JVM-example

for JVM C1 example replace the above line with:

npx cdk deploy -vv --require-approval never Kotlin-Lambda-GraalVM-JVM-C1-example

Build & Deployment to AWS account from GitHub

Set up the following secrets in your GitHub project:

AWS_ACCOUNT_ID
AWS_ACCESS_KEY
AWS_SECRET_KEY

Update AWS region in workflow-build-deploy.yml in .github folder of the project

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