---
AWSTemplateFormatVersion: '2010-09-09'

Transform:
- macro

Resources:
  DestinationContainerDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Family: 'poka-tech-blog'
      ContainerDefinitions:
      - Name: 'DestinationContainer'
        Environment:
        - inheritFrom: /Resources/SourceContainerDefinition/Properties/ContainerDefinitions/0/Environment
        - Name: PROPERTIE1
          Value: '4'

  SourceContainerDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Family: 'poka-tech-blog'
      ContainerDefinitions:
      - Name: 'SourceContainer'
        Environment:
        - Name: PROPERTIE1
          Value: '1'
        - Name: PROPERTIE2
          Value: '2'
        - Name: PROPERTIE3
          Value: '3'