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Cloudformation - ECS wellcome-docker

pilasguru
Sep 21st, 2026
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  1. AWSTemplateFormatVersion: "2010-09-09"
  2.  
  3. Description: >
  4.  Aplicacion Docker welcome-to-docker ejecutandose en ECS Fargate.
  5.  
  6. Parameters:
  7.   VpcId:
  8.     Type: AWS::EC2::VPC::Id
  9.     Description: VPC donde se ejecutara la aplicacion
  10.  
  11.   PublicSubnetId:
  12.     Type: AWS::EC2::Subnet::Id
  13.     Description: Subred publica con salida a Internet
  14.  
  15. Resources:
  17.   ECSCluster:
  18.     Type: AWS::ECS::Cluster
  19.     Properties:
  20.       ClusterName: welcome-cluster
  21.  
  22.   TaskExecutionRole:
  23.     Type: AWS::IAM::Role
  24.     Properties:
  25.       RoleName: !Sub "${AWS::StackName}-execution-role"
  26.       AssumeRolePolicyDocument:
  27.         Version: "2012-10-17"
  28.         Statement:
  29.           - Effect: Allow
  30.             Principal:
  31.               Service:
  32.                - ecs-tasks.amazonaws.com
  33.             Action:
  34.              - sts:AssumeRole
  35.       ManagedPolicyArns:
  36.        - !Sub arn:${AWS::Partition}:iam::aws:policy/service-role/AmazonECSTaskExecutionRolePolicy
  37.  
  38.   WebSecurityGroup:
  39.     Type: AWS::EC2::SecurityGroup
  40.     Properties:
  41.       GroupDescription: Permite acceder a la aplicacion web
  42.       VpcId: !Ref VpcId
  43.       SecurityGroupIngress:
  44.         - Description: HTTP publico para la demo
  45.           IpProtocol: tcp
  46.           FromPort: 80
  47.           ToPort: 80
  48.           CidrIp: 0.0.0.0/0
  49.       SecurityGroupEgress:
  50.         - IpProtocol: -1
  51.           CidrIp: 0.0.0.0/0
  52.  
  53.   WelcomeTaskDefinition:
  54.     Type: AWS::ECS::TaskDefinition
  55.     Properties:
  56.       Family: welcome-task
  57.       RequiresCompatibilities:
  58.        - FARGATE
  59.       NetworkMode: awsvpc
  60.       Cpu: "256"
  61.       Memory: "512"
  62.       ExecutionRoleArn: !GetAtt TaskExecutionRole.Arn
  63.       ContainerDefinitions:
  64.         - Name: welcome
  65.           Image: docker/welcome-to-docker:latest
  66.           Essential: true
  67.           PortMappings:
  68.             - ContainerPort: 80
  69.               HostPort: 80
  70.               Protocol: tcp
  71.  
  72.   WelcomeService:
  73.     Type: AWS::ECS::Service
  74.     Properties:
  75.       ServiceName: welcome-service
  76.       Cluster: !Ref ECSCluster
  77.       LaunchType: FARGATE
  78.       DesiredCount: 1
  79.       TaskDefinition: !Ref WelcomeTaskDefinition
  80.       NetworkConfiguration:
  81.         AwsvpcConfiguration:
  82.           AssignPublicIp: ENABLED
  83.           Subnets:
  84.            - !Ref PublicSubnetId
  85.           SecurityGroups:
  86.            - !Ref WebSecurityGroup
  87.  
  88. Outputs:
  90.   ClusterName:
  91.     Description: Nombre del cluster ECS
  92.     Value: !Ref ECSCluster
  93.  
  94.   ServiceName:
  95.     Description: Nombre del servicio ECS
  96.     Value: !GetAtt WelcomeService.Name
  97.  
  98.   SecurityGroupId:
  99.     Description: Security Group utilizado
  100.     Value: !Ref WebSecurityGroup
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