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Maven Archetype for lambda function using AWS SDK for Java 2.x

Description

This is an Apache Maven Archetype to create a lambda function template using AWS Java SDK 2.x. The generated template has the optimized configurations and follows the best practices to reduce start up time.

Usage

You can use mvn archetype:generate to generate a project using this archetype. See maven archetype usage guidance for more information.

  • Interactive mode
mvn archetype:generate \
  -DarchetypeGroupId=software.amazon.awssdk \
  -DarchetypeArtifactId=archetype-lambda \
  -DarchetypeVersion=2.x
  • Batch mode
mvn archetype:generate \
    -DarchetypeGroupId=software.amazon.awssdk \
    -DarchetypeArtifactId=archetype-lambda \
    -DarchetypeVersion=2.x \
    -DgroupId=com.test \
    -DartifactId=sample-project \
    -Dservice=s3  \
    -DinteractiveMode=false

Parameters

Parameter Name Default Value Description
service (required) n/a Specifies the service client to be used in the lambda function, eg: s3, dynamodb. You can find available services here.
groupId(required) n/a Specifies the group ID of the project
artifactId(required) n/a Specifies the artifact ID of the project
region n/a Specifies the region to be set for the SDK client in the application
httpClient url-connection-client Specifies the http client to be used by the SDK client. Available options are url-connection-client (sync), apache-client (sync), netty-nio-client (async). See http clients
handlerClassName "App" Specifies the class name of the handler, which will be used as the lambda function name. It should be camel case.
javaSdkVersion Same version as the archetype version Specifies the version of the AWS Java SDK 2.x to be used
version 1.0-SNAPSHOT Specifies the version of the project
package ${groupId} Specifies the package name for the classes

Deployment

To deploy the lambda function, you can use SAM CLI. The generated project contains a default SAM template file template.yaml where you can configure different properties of your lambda function such as memory size and timeout.

sam deploy --guided

Please refer to deploying lambda apps for more info.