aws-lambda

A sample Java AWS Lambda function to trigger another Lambda function using AWS SDK.

Guide

• Replace the other function name in com.mj.aws.lambda.api.AnotherLambdaFunctionAPI with your desired AWS Lambda function name.
• Build the project using: mvn clean install
• Create and configure using the aws lambda requirement below.
• Upload the jar file with suffix "-aws" to AWS lambda.
• Update the handler field with: com.mj.aws.lambda.AwsLambdaFunctionHandler
• Create test payload as below and test the event. -- {"message": "message"}

AWS Lambda Requirements:

• 256 MB of Memory. (Can try with lower one)
• Timeout 1 min.
• Execution role -- Access to Lambda Function Policy -- Access to Cloud watch for logging Policy

Libraries

• Spring Cloud Function: https://spring.io/blog/2017/07/05/introducing-spring-cloud-function
• AWS Java SDK
• Lombok
• Log4j
• Jackson Object Mapper
• Maven

Credits

Based on https://dzone.com/articles/run-code-with-spring-cloud-function-on-aws-lambda