AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: Parent stack that deploys VPC, Amazon ECS cluster with EC2 instances,
             and a load balanced ECS service on EC2, in AWS VPC networking mode.

Resources:

  # The networking configuration. This creates an isolated
  # network specific to this particular environment
  VpcStack:
    Type: AWS::Serverless::Application
    Properties:
      Location: vpc.yml

  # This stack contains the Amazon ECS cluster itself
  ClusterStack:
    Type: AWS::Serverless::Application
    Properties:
      Location: cluster.yml
      Parameters:
        VpcId: !GetAtt VpcStack.Outputs.VpcId
        SubnetIds: !GetAtt VpcStack.Outputs.PrivateSubnetIds

  # This stack defines the container deployment
  ServiceStack:
    Type: AWS::Serverless::Application
    Properties:
      Location: service.yml
      Parameters:
        VpcId: !GetAtt VpcStack.Outputs.VpcId
        PublicSubnetIds: !GetAtt VpcStack.Outputs.PublicSubnetIds
        PrivateSubnetIds: !GetAtt VpcStack.Outputs.PrivateSubnetIds
        ClusterName: !GetAtt ClusterStack.Outputs.ClusterName
        ECSTaskExecutionRole: !GetAtt ClusterStack.Outputs.ECSTaskExecutionRole
        CapacityProvider: !GetAtt ClusterStack.Outputs.CapacityProvider