cfn-template-fail-deploy.yml

AWSTemplateFormatVersion: 2010-09-09
Description: An ECS service with a private application loadbalancer
Parameters:
  Environment:
    AllowedValues:
      - Dev
      - Staging
      - Production
    ConstraintDescription: Environment has to be one of Dev, Staging or Production
    Type: String
Resources:
  LogGroup:
    Type: AWS::Logs::LogGroup
    Properties: 
      LogGroupName: !Sub ${AWS::StackName}-test
  TaskDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties: 
      ContainerDefinitions:
        -
          Name: !Ref AWS::StackName
          Image: !Sub ${AWS::StackName}-non-existing-image