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cloudformation-template-with-existing-vpc.yaml
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| AWSTemplateFormatVersion: "2010-09-09" | |
| Description: AWS ECS Infrastructure setup using an existing VPC | |
| Parameters: | |
| VpcId: | |
| Description: "The ID of the existing VPC" | |
| Type: AWS::EC2::VPC::Id | |
| PublicSubnet1Id: | |
| Description: "The ID of the existing public subnet 1" | |
| Type: AWS::EC2::Subnet::Id | |
| PublicSubnet2Id: | |
| Description: "The ID of the existing public subnet 2" | |
| Type: AWS::EC2::Subnet::Id | |
| ECRRepositoryName: | |
| Description: The name of the ECR repository | |
| Type: String | |
| Default: "application-repository" | |
| ClusterName: | |
| Description: The name of the ECS Fargate Cluster | |
| Type: String | |
| Default: "EcsFargateCluster" | |
| ServiceName: | |
| Description: The name of the ECS Service | |
| Type: String | |
| Default: "EcsService" | |
| TaskFamilyName: | |
| Description: The family name of the ECS Task Definition | |
| Type: String | |
| Default: "TaskDefinition" | |
| ContainerName: | |
| Description: The name of the container in the ECS Task Definition | |
| Type: String | |
| Default: "application-container" | |
| Resources: | |
| # Security Group | |
| SecurityGroup: | |
| Type: AWS::EC2::SecurityGroup | |
| Properties: | |
| GroupDescription: "Default security group for the VPC" | |
| VpcId: !Ref VpcId | |
| SecurityGroupIngress: | |
| - IpProtocol: tcp | |
| FromPort: 80 | |
| ToPort: 80 | |
| CidrIp: 0.0.0.0/0 | |
| - IpProtocol: tcp | |
| FromPort: 443 | |
| ToPort: 443 | |
| CidrIp: 0.0.0.0/0 | |
| - IpProtocol: tcp | |
| FromPort: 22 | |
| ToPort: 22 | |
| CidrIp: 0.0.0.0/0 | |
| SecurityGroupEgress: | |
| - IpProtocol: "-1" | |
| CidrIp: 0.0.0.0/0 | |
| Tags: | |
| - Key: Name | |
| Value: default-sg | |
| # ECS Fargate Cluster | |
| ECSFargateCluster: | |
| Type: AWS::ECS::Cluster | |
| Properties: | |
| ClusterName: !Ref ClusterName | |
| # ECR Repository | |
| ECRRepository: | |
| Type: AWS::ECR::Repository | |
| Properties: | |
| RepositoryName: !Ref ECRRepositoryName | |
| # Custom Resource Hook for ECR Cleanup | |
| ECRCleanupHook: | |
| Type: "Custom::ECRCleanup" | |
| Properties: | |
| ServiceToken: !GetAtt ECRCleanupLambdaFunction.Arn | |
| RepositoryName: !Ref ECRRepositoryName | |
| DependsOn: ECRRepository | |
| # ECS Task Definition | |
| ECSTaskDefinition: | |
| Type: AWS::ECS::TaskDefinition | |
| Properties: | |
| Family: !Ref TaskFamilyName | |
| NetworkMode: awsvpc | |
| RequiresCompatibilities: | |
| - FARGATE | |
| Cpu: "512" | |
| Memory: "1024" | |
| ExecutionRoleArn: !Ref IAMRoleForECS | |
| TaskRoleArn: !Ref IAMRoleForECS | |
| ContainerDefinitions: | |
| - Name: !Ref ContainerName | |
| Image: "nginx:latest" | |
| PortMappings: | |
| - ContainerPort: 80 | |
| Environment: | |
| - Name: ENVIRONMENT | |
| Value: "production" | |
| LogConfiguration: | |
| LogDriver: awslogs | |
| Options: | |
| awslogs-group: !Ref CloudWatchLogGroup | |
| awslogs-region: !Ref "AWS::Region" | |
| awslogs-stream-prefix: ecs | |
| # ECS Service | |
| ECSService: | |
| Type: AWS::ECS::Service | |
| DependsOn: ALB | |
| Properties: | |
| Cluster: !Ref ECSFargateCluster | |
| ServiceName: !Ref ServiceName | |
| DesiredCount: 2 | |
| LaunchType: FARGATE | |
| TaskDefinition: !Ref ECSTaskDefinition | |
| NetworkConfiguration: | |
| AwsvpcConfiguration: | |
| AssignPublicIp: ENABLED | |
| SecurityGroups: | |
| - !Ref SecurityGroup | |
| Subnets: | |
| - !Ref PublicSubnet1Id | |
| - !Ref PublicSubnet2Id | |
| LoadBalancers: | |
| - ContainerName: !Ref ContainerName | |
| ContainerPort: 80 | |
| TargetGroupArn: !Ref ALBTargetGroup | |
| # ALB | |
| ALB: | |
| Type: AWS::ElasticLoadBalancingV2::LoadBalancer | |
| Properties: | |
| Name: "ALB" | |
| Subnets: | |
| - !Ref PublicSubnet1Id | |
| - !Ref PublicSubnet2Id | |
| SecurityGroups: | |
| - !Ref SecurityGroup | |
| LoadBalancerAttributes: | |
| - Key: idle_timeout.timeout_seconds | |
| Value: "60" | |
| ALBListener: | |
| Type: AWS::ElasticLoadBalancingV2::Listener | |
| Properties: | |
| LoadBalancerArn: !Ref ALB | |
| Port: 80 | |
| Protocol: HTTP | |
| DefaultActions: | |
| - Type: forward | |
| TargetGroupArn: !Ref ALBTargetGroup | |
| ALBTargetGroup: | |
| Type: AWS::ElasticLoadBalancingV2::TargetGroup | |
| Properties: | |
| VpcId: !Ref VpcId | |
| Protocol: HTTP | |
| Port: 80 | |
| TargetType: ip | |
| HealthCheckEnabled: true | |
| HealthCheckPath: "/" # Set to a valid endpoint in your application | |
| HealthCheckIntervalSeconds: 30 | |
| HealthCheckTimeoutSeconds: 5 | |
| HealthyThresholdCount: 2 | |
| UnhealthyThresholdCount: 3 | |
| Matcher: | |
| HttpCode: "200" | |
| Name: "TargetGroup" | |
| # IAM Role for ECS Task | |
| IAMRoleForECS: | |
| Type: AWS::IAM::Role | |
| Properties: | |
| AssumeRolePolicyDocument: | |
| Version: "2012-10-17" | |
| Statement: | |
| - Effect: Allow | |
| Principal: | |
| Service: | |
| - ecs-tasks.amazonaws.com | |
| Action: | |
| - sts:AssumeRole | |
| Policies: | |
| - PolicyName: "ECRPullPolicy" | |
| PolicyDocument: | |
| Version: "2012-10-17" | |
| Statement: | |
| - Effect: Allow | |
| Action: | |
| - ecr:GetAuthorizationToken | |
| - ecr:GetDownloadUrlForLayer | |
| - ecr:BatchGetImage | |
| - ecr:BatchCheckLayerAvailability | |
| Resource: "*" | |
| - PolicyName: "CloudWatchLogsPolicy" | |
| PolicyDocument: | |
| Version: "2012-10-17" | |
| Statement: | |
| - Effect: Allow | |
| Action: | |
| - logs:CreateLogStream | |
| - logs:PutLogEvents | |
| - logs:CreateLogGroup | |
| Resource: "*" | |
| # CloudWatch Log Group | |
| CloudWatchLogGroup: | |
| Type: AWS::Logs::LogGroup | |
| Properties: | |
| LogGroupName: "/ecs/logs" | |
| RetentionInDays: 7 | |
| # Lambda Function to Delete ECR Images | |
| ECRCleanupLambdaRole: | |
| Type: AWS::IAM::Role | |
| Properties: | |
| AssumeRolePolicyDocument: | |
| Version: "2012-10-17" | |
| Statement: | |
| - Effect: Allow | |
| Principal: | |
| Service: lambda.amazonaws.com | |
| Action: sts:AssumeRole | |
| Policies: | |
| - PolicyName: ECRDeletePolicy | |
| PolicyDocument: | |
| Version: "2012-10-17" | |
| Statement: | |
| - Effect: Allow | |
| Action: | |
| - ecr:BatchDeleteImage | |
| - ecr:ListImages | |
| Resource: !Sub "arn:aws:ecr:${AWS::Region}:${AWS::AccountId}:repository/${ECRRepositoryName}" | |
| ECRCleanupLambdaFunction: | |
| Type: AWS::Lambda::Function | |
| Properties: | |
| FunctionName: ecr-cleanup-lambda | |
| Handler: index.handler | |
| Runtime: python3.9 | |
| Role: !GetAtt ECRCleanupLambdaRole.Arn | |
| Code: | |
| ZipFile: | | |
| import boto3 | |
| def handler(event, context): | |
| if event['RequestType'] == 'Delete': | |
| ecr = boto3.client('ecr') | |
| images_to_delete = ecr.list_images(repositoryName=event['repository_name'])['imageIds'] | |
| if images_to_delete: | |
| ecr.batch_delete_image( | |
| repositoryName=event['repository_name'], | |
| imageIds=images_to_delete | |
| ) | |
| return 'Cleanup complete' | |
| Outputs: | |
| VpcId: | |
| Value: !Ref VPC | |
| Description: The VPC Id where the ECS Cluster is deployed. | |
| ECSFargateCluster: | |
| Value: !Ref ECSFargateCluster | |
| Description: The ECS Fargate Cluster created by the template. | |
| ALBEndpoint: | |
| Value: !Sub "http://${ALB.DNSName}" | |
| Description: The HTTP endpoint of the Application Load Balancer. | |
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