Hello World Cluster CloudFormation - Launch Template

Hello_World_Cluster-Launch_Template.yml

LaunchTemplate:
    Type: AWS::EC2::LaunchTemplate
    Metadata:
      AWS::CloudFormation::Init:
        config:
          packages:
            yum:
              amazon-ssm-agent: []
          commands:
            00_amazon_ssm_agent_start:
              command: systemctl start amazon-ssm-agent
          files:
            /etc/cfn/cfn-hup.conf:
              content: |
                  [main]
                  stack=${AWS::StackId}
                  region=${AWS::Region}
                  interval=1
              mode: "000400"
              owner: root
              group: root
            /etc/cfn/hooks.d/cfn-auto-reloader.conf:
              content: |
                  [cfn-auto-reloader-hook]
                  triggers=post.update
                  path=Resources.LaunchTemplate.Metadata.AWS::CloudFormation::Init
                  action=/opt/aws/bin/cfn-init --verbose --stack=${AWS::StackName} --region=${AWS::Region} --resource=LaunchTemplate
                  runas=root
          services:
            sysvinit:
              cfn-hup:
                enabled: true
                ensureRunning: true
                files:
                  - "/etc/cfn/cfn-hup.conf"
                  - "/etc/cfn/hooks.d/cfn-auto-reloader.conf"
    Properties: 
      LaunchTemplateData: 
        CreditSpecification: 
          CpuCredits: Unlimited
        ImageId: 'ami-09266271a2521d06f' #ecs optimised image for eu-west-1
        InstanceType: t2.micro 
        IamInstanceProfile:
          Arn: !GetAtt InstanceProfile.Arn
        Monitoring: 
          Enabled: true
        SecurityGroupIds: 
          - !Ref EC2SecurityGroup
        UserData:
          Fn::Base64:
            Fn::Sub: 
              - |
                  #!/bin/bash -xe
                  yum update -y
                  yum install -y aws-cli aws-cfn-bootstrap
                  echo ECS_CLUSTER=${Cluster} >> /etc/ecs/ecs.config
                  echo ECS_ENABLE_SPOT_INSTANCE_DRAINING=1 >> /etc/ecs/ecs.config
                  # -r needs to be name of the LaunchTemplate resource. In this case: LaunchTemplate
                  /opt/aws/bin/cfn-init -v -s ${AWS::StackName} -r LaunchTemplate --region ${AWS::Region}
              - { Cluster: !ImportValue ECSCluster }