Step Function execution example including error handling

cloud-formation.js

/** Example used to support creating custom domains with https://authress.io */
const stepFunctionResource = {
  "Type": "AWS::StepFunctions::StateMachine",
  "Properties": {
    "StateMachineName": {
      "Fn::Sub": "${AWS::StackName}-CustomDomain"
    },
    "LoggingConfiguration": {
      "Destinations": [{
        "CloudWatchLogsLogGroup": {
          "LogGroupArn": {
            "Fn::Sub": "${CloudWatchLambdaLogGroup.Arn}"
          }
        }
      }],
      "IncludeExecutionData": true,
      "Level": "FATAL"
    },
    "DefinitionString": {
      "Fn::Sub": JSON.stringify({
        "StartAt": "Start",
        "States": {
          "Start": {
            "Type": "Task",
            "Resource": "${ProductionAlias}",
            "Parameters": {
              "context.$": "$$"
            },
            "ResultPath": "$.executionResult",
            "Next": "Verify",
            "Retry": [{
              "ErrorEquals": ["States.ALL"],
              "IntervalSeconds": 10,
              "MaxAttempts": 18,
              "BackoffRate": 2
            }]
          },
          "Verify": {
            "Type": "Task",
            "Resource": "${ProductionAlias}",
            "Parameters": {
              "context.$": "$$"
            },
            "ResultPath": "$.executionResult",
            "End": true,
            "Retry": [{
              "ErrorEquals": ["States.ALL"],
              "IntervalSeconds": 10,
              "MaxAttempts": 18,
              "BackoffRate": 2
            }]
          }
        }
      })
    },
    "RoleArn": { "Fn::GetAtt": ["StepFunctionRole", "Arn"] }
  }
};