AWS CodeStar sample web service

• buildspec.yml - this file is used by AWS CodeBuild to build the web service
• pom.xml - this file is the Maven Project Object Model for the web service
• src/main - this directory contains your Java service source files
• src/test - this directory contains your Java service unit test files
• template.yml - this file contains the AWS Serverless Application Model (AWS SAM) used by AWS CloudFormation to deploy your application to AWS Lambda and Amazon API Gateway.