AutoScalingRole:
    Metadata:
      'aws:copilot:description': 'An IAM role for container auto scaling'
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument:
        Version: '2012-10-17'
        Statement:
          - Effect: Allow
            Principal:
              Service: ecs-tasks.amazonaws.com
            Action: 'sts:AssumeRole'
      ManagedPolicyArns:
        - !Sub 'arn:${AWS::Partition}:iam::aws:policy/service-role/AmazonEC2ContainerServiceAutoscaleRole'
  AutoScalingTarget:
    Metadata:
      'aws:copilot:description': "An autoscaling target to scale your service's desired count"
    Type: AWS::ApplicationAutoScaling::ScalableTarget
    Properties:
      MinCapacity: 1
      MaxCapacity: 10
      ResourceId:
        Fn::Join:
          - '/'
          - - 'service'
            - Fn::ImportValue: !Sub '${AppName}-${EnvName}-ClusterId'
            - !GetAtt Service.Name
      ScalableDimension: ecs:service:DesiredCount
      ServiceNamespace: ecs
      RoleARN: !GetAtt AutoScalingRole.Arn
  AutoScalingPolicyECSServiceAverageCPUUtilization:
    Type: AWS::ApplicationAutoScaling::ScalingPolicy
    Properties:
      PolicyName: !Join ['-', [!Ref WorkloadName, ECSServiceAverageCPUUtilization, ScalingPolicy]]
      PolicyType: TargetTrackingScaling
      ScalingTargetId: !Ref AutoScalingTarget
      TargetTrackingScalingPolicyConfiguration:
        PredefinedMetricSpecification:
          PredefinedMetricType: ECSServiceAverageCPUUtilization
        ScaleInCooldown: 120
        ScaleOutCooldown: 60
        TargetValue: 70
  AutoScalingPolicyECSServiceAverageMemoryUtilization:
    Type: AWS::ApplicationAutoScaling::ScalingPolicy
    Properties:
      PolicyName: !Join ['-', [!Ref WorkloadName, ECSServiceAverageMemoryUtilization, ScalingPolicy]]
      PolicyType: TargetTrackingScaling
      ScalingTargetId: !Ref AutoScalingTarget
      TargetTrackingScalingPolicyConfiguration:
        PredefinedMetricSpecification:
          PredefinedMetricType: ECSServiceAverageMemoryUtilization
        ScaleInCooldown: 120
        ScaleOutCooldown: 60
        TargetValue: 80