{ "AWSTemplateFormatVersion" : "2010-09-09", "Description" : "AWS CloudFormation Sample Template VPC_AutoScaling_With_Public_IPs.template: Sample template showing how to create a load balanced, auto scaled group in a VPC where the EC2 instances can directly access the internet. **WARNING** This template creates Application Load Balancers and Amazon EC2 instances. You will be billed for the AWS resources used if you create a stack from this template.", "Parameters" : { "KeyName" : { "Description" : "Name of an existing EC2 KeyPair to enable SSH access to the instances", "Type" : "AWS::EC2::KeyPair::KeyName", "ConstraintDescription" : "must be the name of an existing EC2 KeyPair." }, "SSHLocation" : { "Description" : "Lockdown SSH access to the bastion host (default can be accessed from anywhere)", "Type" : "String", "MinLength": "9", "MaxLength": "18", "Default" : "0.0.0.0/0", "AllowedPattern" : "(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})\\.(\\d{1,3})/(\\d{1,2})", "ConstraintDescription" : "must be a valid CIDR range of the form x.x.x.x/x." }, "WebServerInstanceType" : { "Description" : "WebServer Server EC2 instance type", "Type" : "String", "Default" : "t2.small", "AllowedValues" : [ "t1.micro", "t2.nano", "t2.micro", "t2.small", "t2.medium", "t2.large", "m1.small", "m1.medium", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "m3.medium", "m3.large", "m3.xlarge", "m3.2xlarge", "m4.large", "m4.xlarge", "m4.2xlarge", "m4.4xlarge", "m4.10xlarge", "c1.medium", "c1.xlarge", "c3.large", "c3.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge", "c4.large", "c4.xlarge", "c4.2xlarge", "c4.4xlarge", "c4.8xlarge", "g2.2xlarge", "g2.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge", "d2.xlarge", "d2.2xlarge", "d2.4xlarge", "d2.8xlarge", "hi1.4xlarge", "hs1.8xlarge", "cr1.8xlarge", "cc2.8xlarge", "cg1.4xlarge"] , "ConstraintDescription" : "must be a valid EC2 instance type." }, "WebServerCount" : { "Description" : "Number of EC2 instances to launch for the WebServer server", "Type" : "Number", "Default" : "1" } }, "Mappings" : { "SubnetConfig" : { "VPC" : { "CIDR" : "10.0.0.0/16" }, "Public1" : { "CIDR" : "10.0.0.0/24" }, "Public2" : { "CIDR" : "10.0.1.0/24" } }, "Region2Examples" : { "ap-east-1" : { "Examples" : "https://s3-ap-east-1.amazonaws.com/cloudformation-examples-ap-east-1" }, "ap-northeast-1" : { "Examples" : "https://s3-ap-northeast-1.amazonaws.com/cloudformation-examples-ap-northeast-1" }, "ap-northeast-2" : { "Examples" : "https://s3-ap-northeast-2.amazonaws.com/cloudformation-examples-ap-northeast-2" }, "ap-northeast-3" : { "Examples" : "https://s3-ap-northeast-3.amazonaws.com/cloudformation-examples-ap-northeast-3" }, "ap-south-1" : { "Examples" : "https://s3-ap-south-1.amazonaws.com/cloudformation-examples-ap-south-1" }, "ap-south-2" : { "Examples" : "https://s3-ap-south-2.amazonaws.com/cloudformation-examples-ap-south-2" }, "ap-southeast-1" : { "Examples" : "https://s3-ap-southeast-1.amazonaws.com/cloudformation-examples-ap-southeast-1" }, "ap-southeast-2" : { "Examples" : "https://s3-ap-southeast-2.amazonaws.com/cloudformation-examples-ap-southeast-2" }, "ap-southeast-3" : { "Examples" : "https://s3-ap-southeast-3.amazonaws.com/cloudformation-examples-ap-southeast-3" }, "ap-southeast-4" : { "Examples" : "https://s3-ap-southeast-4.amazonaws.com/cloudformation-examples-ap-southeast-4" }, "ca-central-1" : { "Examples" : "https://s3-ca-central-1.amazonaws.com/cloudformation-examples-ca-central-1" }, "cn-north-1" : { "Examples" : "https://s3.cn-north-1.amazonaws.com.cn/cloudformation-examples-cn-north-1" }, "cn-northwest-1" : { "Examples" : "https://s3.cn-northwest-1.amazonaws.com.cn/cloudformation-examples-cn-northwest-1" }, "eu-central-1" : { "Examples" : "https://s3-eu-central-1.amazonaws.com/cloudformation-examples-eu-central-1" }, "il-central-1" : { "Examples" : "https://s3-il-central-1.amazonaws.com/cloudformation-examples-il-central-1" }, "eu-north-1" : { "Examples" : "https://s3-eu-north-1.amazonaws.com/cloudformation-examples-eu-north-1" }, "eu-west-1" : { "Examples" : "https://s3-eu-west-1.amazonaws.com/cloudformation-examples-eu-west-1" }, "eu-west-2" : { "Examples" : "https://s3-eu-west-2.amazonaws.com/cloudformation-examples-eu-west-2" }, "eu-west-3" : { "Examples" : "https://s3-eu-west-3.amazonaws.com/cloudformation-examples-eu-west-3" }, "me-south-1" : { "Examples" : "https://s3-me-south-1.amazonaws.com/cloudformation-examples-me-south-1" }, "me-central-1" : { "Examples" : "https://s3-me-central-1.amazonaws.com/cloudformation-examples-me-central-1" }, "eu-south-2" : { "Examples" : "https://s3-eu-south-2.amazonaws.com/cloudformation-examples-eu-south-2" }, "eu-central-2" : { "Examples" : "https://s3-eu-central-2.amazonaws.com/cloudformation-examples-eu-central-2" }, "sa-east-1" : { "Examples" : "https://s3-sa-east-1.amazonaws.com/cloudformation-examples-sa-east-1" }, "us-east-1" : { "Examples" : "https://s3.amazonaws.com/cloudformation-examples-us-east-1" }, "us-east-2" : { "Examples" : "https://s3-us-east-2.amazonaws.com/cloudformation-examples-us-east-2" }, "us-west-1" : { "Examples" : "https://s3-us-west-1.amazonaws.com/cloudformation-examples-us-west-1" }, "us-west-2" : { "Examples" : "https://s3-us-west-2.amazonaws.com/cloudformation-examples-us-west-2" } } , "AWSInstanceType2Arch" : { "c1.medium" : { "Arch" : "HVM64" }, "c1.xlarge" : { "Arch" : "HVM64" }, "c3.2xlarge" : { "Arch" : "HVM64" }, "c3.4xlarge" : { "Arch" : "HVM64" }, "c3.8xlarge" : { "Arch" : "HVM64" }, "c3.large" : { "Arch" : "HVM64" }, "c3.xlarge" : { "Arch" : "HVM64" }, "c4.2xlarge" : { "Arch" : "HVM64" }, "c4.4xlarge" : { "Arch" : "HVM64" }, "c4.8xlarge" : { "Arch" : "HVM64" }, "c4.large" : { "Arch" : "HVM64" }, "c4.xlarge" : { "Arch" : "HVM64" }, "cc2.8xlarge" : { "Arch" : "HVM64" }, "cr1.8xlarge" : { "Arch" : "HVM64" }, "d2.2xlarge" : { "Arch" : "HVM64" }, "d2.4xlarge" : { "Arch" : "HVM64" }, "d2.8xlarge" : { "Arch" : "HVM64" }, "d2.xlarge" : { "Arch" : "HVM64" }, "g2.2xlarge" : { "Arch" : "HVMG2" }, "g2.8xlarge" : { "Arch" : "HVMG2" }, "hi1.4xlarge" : { "Arch" : "HVM64" }, "hs1.8xlarge" : { "Arch" : "HVM64" }, "i2.2xlarge" : { "Arch" : "HVM64" }, "i2.4xlarge" : { "Arch" : "HVM64" }, "i2.8xlarge" : { "Arch" : "HVM64" }, "i2.xlarge" : { "Arch" : "HVM64" }, "m1.large" : { "Arch" : "HVM64" }, "m1.medium" : { "Arch" : "HVM64" }, "m1.small" : { "Arch" : "HVM64" }, "m1.xlarge" : { "Arch" : "HVM64" }, "m2.2xlarge" : { "Arch" : "HVM64" }, "m2.4xlarge" : { "Arch" : "HVM64" }, "m2.xlarge" : { "Arch" : "HVM64" }, "m3.2xlarge" : { "Arch" : "HVM64" }, "m3.large" : { "Arch" : "HVM64" }, "m3.medium" : { "Arch" : "HVM64" }, "m3.xlarge" : { "Arch" : "HVM64" }, "m4.10xlarge" : { "Arch" : "HVM64" }, "m4.2xlarge" : { "Arch" : "HVM64" }, "m4.4xlarge" : { "Arch" : "HVM64" }, "m4.large" : { "Arch" : "HVM64" }, "m4.xlarge" : { "Arch" : "HVM64" }, "r3.2xlarge" : { "Arch" : "HVM64" }, "r3.4xlarge" : { "Arch" : "HVM64" }, "r3.8xlarge" : { "Arch" : "HVM64" }, "r3.large" : { "Arch" : "HVM64" }, "r3.xlarge" : { "Arch" : "HVM64" }, "t1.micro" : { "Arch" : "HVM64" }, "t2.large" : { "Arch" : "HVM64" }, "t2.medium" : { "Arch" : "HVM64" }, "t2.micro" : { "Arch" : "HVM64" }, "t2.nano" : { "Arch" : "HVM64" }, "t2.small" : { "Arch" : "HVM64" } }, "AWSInstanceType2NATArch" : { "c1.medium" : { "Arch" : "NATHVM64" }, "c1.xlarge" : { "Arch" : "NATHVM64" }, "c3.2xlarge" : { "Arch" : "NATHVM64" }, "c3.4xlarge" : { "Arch" : "NATHVM64" }, "c3.8xlarge" : { "Arch" : "NATHVM64" }, "c3.large" : { "Arch" : "NATHVM64" }, "c3.xlarge" : { "Arch" : "NATHVM64" }, "c4.2xlarge" : { "Arch" : "NATHVM64" }, "c4.4xlarge" : { "Arch" : "NATHVM64" }, "c4.8xlarge" : { "Arch" : "NATHVM64" }, "c4.large" : { "Arch" : "NATHVM64" }, "c4.xlarge" : { "Arch" : "NATHVM64" }, "cc2.8xlarge" : { "Arch" : "NATHVM64" }, "cr1.8xlarge" : { "Arch" : "NATHVM64" }, "d2.2xlarge" : { "Arch" : "NATHVM64" }, "d2.4xlarge" : { "Arch" : "NATHVM64" }, "d2.8xlarge" : { "Arch" : "NATHVM64" }, "d2.xlarge" : { "Arch" : "NATHVM64" }, "g2.2xlarge" : { "Arch" : "NATHVMG2" }, "g2.8xlarge" : { "Arch" : "NATHVMG2" }, "hi1.4xlarge" : { "Arch" : "NATHVM64" }, "hs1.8xlarge" : { "Arch" : "NATHVM64" }, "i2.2xlarge" : { "Arch" : "NATHVM64" }, "i2.4xlarge" : { "Arch" : "NATHVM64" }, "i2.8xlarge" : { "Arch" : "NATHVM64" }, "i2.xlarge" : { "Arch" : "NATHVM64" }, "m1.large" : { "Arch" : "NATHVM64" }, "m1.medium" : { "Arch" : "NATHVM64" }, "m1.small" : { "Arch" : "NATHVM64" }, "m1.xlarge" : { "Arch" : "NATHVM64" }, "m2.2xlarge" : { "Arch" : "NATHVM64" }, "m2.4xlarge" : { "Arch" : "NATHVM64" }, "m2.xlarge" : { "Arch" : "NATHVM64" }, "m3.2xlarge" : { "Arch" : "NATHVM64" }, "m3.large" : { "Arch" : "NATHVM64" }, "m3.medium" : { "Arch" : "NATHVM64" }, "m3.xlarge" : { "Arch" : "NATHVM64" }, "m4.10xlarge" : { "Arch" : "NATHVM64" }, "m4.2xlarge" : { "Arch" : "NATHVM64" }, "m4.4xlarge" : { "Arch" : "NATHVM64" }, "m4.large" : { "Arch" : "NATHVM64" }, "m4.xlarge" : { "Arch" : "NATHVM64" }, "r3.2xlarge" : { "Arch" : "NATHVM64" }, "r3.4xlarge" : { "Arch" : "NATHVM64" }, "r3.8xlarge" : { "Arch" : "NATHVM64" }, "r3.large" : { "Arch" : "NATHVM64" }, "r3.xlarge" : { "Arch" : "NATHVM64" }, "t1.micro" : { "Arch" : "NATHVM64" }, "t2.large" : { "Arch" : "NATHVM64" }, "t2.medium" : { "Arch" : "NATHVM64" }, "t2.micro" : { "Arch" : "NATHVM64" }, "t2.nano" : { "Arch" : "NATHVM64" }, "t2.small" : { "Arch" : "NATHVM64" } } , "AWSRegionArch2AMI" : { "af-south-1" : {"HVM64" : "ami-0412806bd0f2cf75f", "HVMG2" : "NOT_SUPPORTED"}, "ap-east-1" : {"HVM64" : "ami-0e0a21f8bd5195698", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-1" : {"HVM64" : "ami-0c3e3e7af817ad732", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-2" : {"HVM64" : "ami-0f8dbbf156e3a5cc6", "HVMG2" : "NOT_SUPPORTED"}, "ap-northeast-3" : {"HVM64" : "ami-02a371c41f08cc499", "HVMG2" : "NOT_SUPPORTED"}, "ap-south-1" : {"HVM64" : "ami-0f4ab3c8db917e421", "HVMG2" : "NOT_SUPPORTED"}, "ap-south-2" : {"HVM64" : "ami-008b9c53bb1dcd29c", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-1" : {"HVM64" : "ami-0c3189395e5b39df7", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-2" : {"HVM64" : "ami-040d698318c0b1575", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-3" : {"HVM64" : "ami-065dcca47dde26602", "HVMG2" : "NOT_SUPPORTED"}, "ap-southeast-4" : {"HVM64" : "ami-043e25432cf94e107", "HVMG2" : "NOT_SUPPORTED"}, "il-central-1" : {"HVM64" : "ami-0054be7d7d9d65a1d", "HVMG2" : "NOT_SUPPORTED"}, "ca-central-1" : {"HVM64" : "ami-05f40104305a2cdf7", "HVMG2" : "NOT_SUPPORTED"}, "cn-north-1" : {"HVM64" : "ami-03f1e08d409b1e5fd", "HVMG2" : "NOT_SUPPORTED"}, "cn-northwest-1" : {"HVM64" : "ami-00093746b9a0e272a", "HVMG2" : "NOT_SUPPORTED"}, "eu-central-1" : {"HVM64" : "ami-0f454ec961da9a046", "HVMG2" : "NOT_SUPPORTED"}, "eu-north-1" : {"HVM64" : "ami-0e78cd18c67fcf512", "HVMG2" : "NOT_SUPPORTED"}, "eu-south-1" : {"HVM64" : "ami-07d048788725b9602", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-1" : {"HVM64" : "ami-0db5ca3e5748fb7e2", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-2" : {"HVM64" : "ami-07baf6b15b7387f24", "HVMG2" : "NOT_SUPPORTED"}, "eu-west-3" : {"HVM64" : "ami-05a13fbd8aa57eedc", "HVMG2" : "NOT_SUPPORTED"}, "me-south-1" : {"HVM64" : "ami-0007de3fdcaba7e44", "HVMG2" : "NOT_SUPPORTED"}, "me-central-1" : {"HVM64" : "ami-06ce88defa3fc74ed", "HVMG2" : "NOT_SUPPORTED"}, "eu-south-2" : {"HVM64" : "ami-051306f4e885d6de4", "HVMG2" : "NOT_SUPPORTED"}, "eu-central-2" : {"HVM64" : "ami-0fcd532574732cb0f", "HVMG2" : "NOT_SUPPORTED"}, "sa-east-1" : {"HVM64" : "ami-07f6e9fce0e888425", "HVMG2" : "NOT_SUPPORTED"}, "us-east-1" : {"HVM64" : "ami-01989ebfd388ea377", "HVMG2" : "NOT_SUPPORTED"}, "us-east-2" : {"HVM64" : "ami-0de69dde1945155da", "HVMG2" : "NOT_SUPPORTED"}, "us-west-1" : {"HVM64" : "ami-08fe20a82dcaa1c92", "HVMG2" : "NOT_SUPPORTED"}, "us-west-2" : {"HVM64" : "ami-05848d23360f5edfe", "HVMG2" : "NOT_SUPPORTED"} } }, "Resources" : { "VPC" : { "Type" : "AWS::EC2::VPC", "Properties" : { "CidrBlock" : { "Fn::FindInMap" : [ "SubnetConfig", "VPC", "CIDR" ]}, "EnableDnsSupport" : "true", "EnableDnsHostnames" : "true", "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "PublicSubnet1" : { "Type" : "AWS::EC2::Subnet", "Properties" : { "VpcId" : { "Ref" : "VPC" }, "CidrBlock" : { "Fn::FindInMap" : [ "SubnetConfig", "Public1", "CIDR" ]}, "AvailabilityZone" : {"Fn::Select": [0, {"Fn::GetAZs": ""}]}, "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "PublicSubnet2" : { "Type" : "AWS::EC2::Subnet", "Properties" : { "VpcId" : { "Ref" : "VPC" }, "CidrBlock" : { "Fn::FindInMap" : [ "SubnetConfig", "Public2", "CIDR" ]}, "AvailabilityZone" : {"Fn::Select": [1, {"Fn::GetAZs": ""}]}, "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "InternetGateway" : { "Type" : "AWS::EC2::InternetGateway", "Properties" : { "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "GatewayToInternet" : { "Type" : "AWS::EC2::VPCGatewayAttachment", "Properties" : { "VpcId" : { "Ref" : "VPC" }, "InternetGatewayId" : { "Ref" : "InternetGateway" } } }, "PublicRouteTable" : { "Type" : "AWS::EC2::RouteTable", "Properties" : { "VpcId" : { "Ref" : "VPC" }, "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "PublicRoute" : { "Type" : "AWS::EC2::Route", "DependsOn" : "GatewayToInternet", "Properties" : { "RouteTableId" : { "Ref" : "PublicRouteTable" }, "DestinationCidrBlock" : "0.0.0.0/0", "GatewayId" : { "Ref" : "InternetGateway" } } }, "PublicSubnetRouteTableAssociation1" : { "Type" : "AWS::EC2::SubnetRouteTableAssociation", "Properties" : { "SubnetId" : { "Ref" : "PublicSubnet1" }, "RouteTableId" : { "Ref" : "PublicRouteTable" } } }, "PublicSubnetRouteTableAssociation2" : { "Type" : "AWS::EC2::SubnetRouteTableAssociation", "Properties" : { "SubnetId" : { "Ref" : "PublicSubnet2" }, "RouteTableId" : { "Ref" : "PublicRouteTable" } } }, "PublicNetworkAcl" : { "Type" : "AWS::EC2::NetworkAcl", "Properties" : { "VpcId" : { "Ref" : "VPC" }, "Tags" : [ { "Key" : "Application", "Value" : { "Ref" : "AWS::StackId" } }, { "Key" : "Network", "Value" : "Public" } ] } }, "InboundHTTPPublicNetworkAclEntry" : { "Type" : "AWS::EC2::NetworkAclEntry", "Properties" : { "NetworkAclId" : { "Ref" : "PublicNetworkAcl" }, "RuleNumber" : "100", "Protocol" : "6", "RuleAction" : "allow", "Egress" : "false", "CidrBlock" : "0.0.0.0/0", "PortRange" : { "From" : "80", "To" : "80" } } }, "InboundDynamicPortPublicNetworkAclEntry" : { "Type" : "AWS::EC2::NetworkAclEntry", "Properties" : { "NetworkAclId" : { "Ref" : "PublicNetworkAcl" }, "RuleNumber" : "101", "Protocol" : "6", "RuleAction" : "allow", "Egress" : "false", "CidrBlock" : "0.0.0.0/0", "PortRange" : { "From" : "1024", "To" : "65535" } } }, "InboundSSHPublicNetworkAclEntry" : { "Type" : "AWS::EC2::NetworkAclEntry", "Properties" : { "NetworkAclId" : { "Ref" : "PublicNetworkAcl" }, "RuleNumber" : "102", "Protocol" : "6", "RuleAction" : "allow", "Egress" : "false", "CidrBlock" : { "Ref" : "SSHLocation" }, "PortRange" : { "From" : "22", "To" : "22" } } }, "OutboundPublicNetworkAclEntry" : { "Type" : "AWS::EC2::NetworkAclEntry", "Properties" : { "NetworkAclId" : { "Ref" : "PublicNetworkAcl" }, "RuleNumber" : "100", "Protocol" : "6", "RuleAction" : "allow", "Egress" : "true", "CidrBlock" : "0.0.0.0/0", "PortRange" : { "From" : "0", "To" : "65535" } } }, "PublicSubnetNetworkAclAssociation1" : { "Type" : "AWS::EC2::SubnetNetworkAclAssociation", "Properties" : { "SubnetId" : { "Ref" : "PublicSubnet1" }, "NetworkAclId" : { "Ref" : "PublicNetworkAcl" } } }, "PublicSubnetNetworkAclAssociation2" : { "Type" : "AWS::EC2::SubnetNetworkAclAssociation", "Properties" : { "SubnetId" : { "Ref" : "PublicSubnet2" }, "NetworkAclId" : { "Ref" : "PublicNetworkAcl" } } }, "PublicApplicationLoadBalancer" : { "Type" : "AWS::ElasticLoadBalancingV2::LoadBalancer", "Properties" : { "Subnets" : [ { "Ref" : "PublicSubnet1"}, { "Ref" : "PublicSubnet2" } ], "SecurityGroups" : [ { "Ref" : "PublicLoadBalancerSecurityGroup" } ] } }, "ALBListener" : { "Type" : "AWS::ElasticLoadBalancingV2::Listener", "Properties" : { "DefaultActions" : [{ "Type" : "forward", "TargetGroupArn" : { "Ref" : "ALBTargetGroup" } }], "LoadBalancerArn" : { "Ref" : "PublicApplicationLoadBalancer" }, "Port" : "80", "Protocol" : "HTTP" } }, "ALBTargetGroup" : { "Type" : "AWS::ElasticLoadBalancingV2::TargetGroup", "Properties" : { "HealthCheckIntervalSeconds" : 90, "HealthCheckTimeoutSeconds" : 60, "HealthyThresholdCount" : 3, "Port" : 80, "Protocol" : "HTTP", "UnhealthyThresholdCount" : 5, "VpcId" : {"Ref" : "VPC"} } }, "PublicLoadBalancerSecurityGroup" : { "Type" : "AWS::EC2::SecurityGroup", "Properties" : { "GroupDescription" : "Public ELB Security Group with HTTP access on port 80 from the internet", "VpcId" : { "Ref" : "VPC" }, "SecurityGroupIngress" : [ { "IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"} ], "SecurityGroupEgress" : [ { "IpProtocol" : "tcp", "FromPort" : "80", "ToPort" : "80", "CidrIp" : "0.0.0.0/0"} ] } }, "WebServerFleet" : { "Type" : "AWS::AutoScaling::AutoScalingGroup", "DependsOn" : "PublicRoute", "Properties" : { "VPCZoneIdentifier" : [{ "Ref" : "PublicSubnet1" }, { "Ref" : "PublicSubnet2" }], "LaunchConfigurationName" : { "Ref" : "WebServerLaunchConfig" }, "MinSize" : "1", "MaxSize" : "10", "DesiredCapacity" : { "Ref" : "WebServerCount" }, "TargetGroupARNs" : [ { "Ref" : "ALBTargetGroup" } ], "Tags" : [ { "Key" : "Network", "Value" : "Public", "PropagateAtLaunch" : "true" } ] }, "CreationPolicy" : { "ResourceSignal" : { "Timeout" : "PT45M", "Count" : { "Ref" : "WebServerCount" } } }, "UpdatePolicy": { "AutoScalingRollingUpdate": { "MinInstancesInService": "1", "MaxBatchSize": "1", "PauseTime" : "PT15M", "WaitOnResourceSignals": "true" } } }, "WebServerLaunchConfig" : { "Type" : "AWS::AutoScaling::LaunchConfiguration", "Metadata" : { "AWS::CloudFormation::Init" : { "config" : { "packages" : { "yum" : { "httpd" : [] } }, "files" : { "/var/www/html/index.html" : { "content" : { "Fn::Join" : ["\n", [ "", "