AWSTemplateFormatVersion: '2010-09-09'
Transform: AWS::Serverless-2016-10-31
Description: Example of deploying Java function as AWS Lambda Function with AWS API Gateway using Spring Cloud Function support.

Globals:
  Api:
    # API Gateway regional endpoints
    EndpointConfiguration: REGIONAL

Resources:
  UppercaseFunction:
    Type: AWS::Serverless::Function
    Properties:
      FunctionName: uppercase
      Handler: org.springframework.cloud.function.adapter.aws.FunctionInvoker::handleRequest
      Runtime: java17
      SnapStart:
        ApplyOn: PublishedVersions
      CodeUri: .
      MemorySize: 1024
      Policies: AWSLambdaBasicExecutionRole
      Timeout: 30
      Environment:
        Variables:
          MAIN_CLASS: oz.spring.aws.FunctionAwsApplication
      Events:
        HttpApiEvent:
          Type: HttpApi
          Properties:
            TimeoutInMillis: 20000
            PayloadFormatVersion: '1.0'

Outputs:
  SpringUppercaseApi:
    Description: URL for application
    Value: !Sub 'https://${ServerlessHttpApi}.execute-api.${AWS::Region}.amazonaws.com/uppercase'
    Export:
      Name: UppercaseFunction
      
# curl -H "Content-Type: application/json" -X POST -d '"foobar"' https://jvd5wf478j.execute-api.us-east-2.amazonaws.com/uppercase
# you should receive the response "FOOBAR"