PostFunction:
        Type: AWS::Serverless::Function # More info about Function Resource: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#awsserverlessfunction
        Properties:
            CodeUri: hello_world/
            Handler: apppost.lambda_handler
            Runtime: nodejs8.10
            Environment: # More info about Env Vars: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#environment-object
                Variables:
                    PARAM1: VALUE
            Events:
                PostHello:
                    Type: Api # More info about API Event Source: https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md#api
                    Properties:
                        Path: /posthello
                        Method: post

exports.lambda_handler = async (event, context, callback) => {
    try {
        response = {
            'statusCode': 200,
            'body': JSON.stringify({
                message: context,
            })
        }
    }
    catch (err) {
        console.log(err);
        callback(err, null);
    }

    callback(null, response)
};