AWSTemplateFormatVersion: '2010-09-09'
Description: An example task definition that can deployed onto both
             Amazon EC2 and AWS Fargate

Parameters:
  Cluster:
    Type: String
    Description: The name of the ECS cluster to deploy into
  Ec2CapacityProvider:
    Type: String
    Description: The name of an EC2 capacity provider in the cluster.
  ServiceName:
    Type: String
    Default: nginx
    Description: Name of the service
  VpcId:
    Type: AWS::EC2::VPC::Id
    Description: The virtual private network into which to launch all resources
  SubnetIds:
    Type: List<AWS::EC2::Subnet::Id>
    Description: List of subnet IDs where the EC2 instances will be launched

Resources:

  # This task definition has settings which allow it to
  # be used on both AWS Fargate and Amazon EC2 capacity
  SampleTaskDefinition:
    Type: AWS::ECS::TaskDefinition
    Properties:
      Family: nginx
      RequiresCompatibilities:
        - EC2
        - FARGATE
      NetworkMode: awsvpc
      Cpu: 256
      Memory: 512
      ContainerDefinitions:
        - Name: nginx
          Image: public.ecr.aws/nginx/nginx:mainline

  # Deploy the task definition as a service on EC2 capacity
  Ec2Service:
    Type: AWS::ECS::Service
    Properties:
      ServiceName: !Sub '${ServiceName}-on-ec2'
      Cluster: !Ref 'Cluster'
      DeploymentConfiguration:
        MaximumPercent: 200
        MinimumHealthyPercent: 75
      CapacityProviderStrategy:
        - Base: 0
          CapacityProvider: !Ref Ec2CapacityProvider
          Weight: 1
      NetworkConfiguration:
        AwsvpcConfiguration:
          SecurityGroups:
            - !Ref ServiceSecurityGroup
          Subnets:
            - !Select [ 0, !Ref SubnetIds ]
            - !Select [ 1, !Ref SubnetIds ]
      DesiredCount: 2
      TaskDefinition: !Ref 'SampleTaskDefinition'

  # Deploy the task definition as a service on AWS Fargate capacity
  FargateService:
    Type: AWS::ECS::Service
    Properties:
      ServiceName: !Sub '${ServiceName}-on-fargate'
      Cluster: !Ref 'Cluster'
      LaunchType: FARGATE
      DeploymentConfiguration:
        MaximumPercent: 200
        MinimumHealthyPercent: 75
      NetworkConfiguration:
        AwsvpcConfiguration:
          AssignPublicIp: ENABLED
          SecurityGroups:
            - !Ref ServiceSecurityGroup
          Subnets:
            - !Select [ 0, !Ref SubnetIds ]
            - !Select [ 1, !Ref SubnetIds ]
      DesiredCount: 2
      TaskDefinition: !Ref 'SampleTaskDefinition'

  # Security group that limits network access
  # to the task
  ServiceSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Security group for service
      VpcId: !Ref VpcId