Run lambda every 5 minutes

lambda_cron.yaml

AWSTemplateFormatVersion: "2010-09-09"

Resources:

  LambdaFunctionRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: 2012-10-17
        Statement:
          Action: sts:AssumeRole
          Effect: Allow
          Principal:
            Service:
              - lambda.amazonaws.com
      Path: /service-role/
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole

  LambdaFunction:
    Type: AWS::Lambda::Function
    Properties:
      Code:
        #language=JavaScript
        ZipFile: |
          exports.handler = async function (event) {
              console.log(event)
              return "Success";
          };
      Handler: index.handler
      Role: !GetAtt LambdaFunctionRole.Arn
      Runtime: nodejs12.x

  PeriodicJobRule:
    Type: AWS::Events::Rule
    Properties:
      ScheduleExpression: "cron(*/5 * * * ? *)"
      State: ENABLED
      Targets:
        - Id: LambdaFunction
          Arn: !GetAtt LambdaFunction.Arn

  PermissionToInvokeCreateLambda:
    Type: AWS::Lambda::Permission
    Properties:
      FunctionName: !Ref LambdaFunction
      Action: "lambda:InvokeFunction"
      Principal: "events.amazonaws.com"
      SourceArn: !GetAtt PeriodicJobRule.Arn