cloudformation-1.json

{
	"AWSTemplateFormatVersion": "2010-09-09",
	"Description": "EC2-SecurityGroup-ElasticIP",
	"Parameters": {
		"VPC": {
			"Description": "The default VPC",
			"Type": "AWS::EC2::VPC::Id"
		},
		"Subnet": {
			"Description": "A public subnet of VPC.",
			"Type": "AWS::EC2::Subnet::Id"
		},
		"KeyPair": {
			"Description": "A SSH key pair.",
			"Type": "AWS::EC2::KeyPair::KeyName"
		}
	},
	"Mappings": {
		"RegionMap": {
			"eu-west-1": {"AMI": "ami-bff32ccc"},
			"ap-southeast-1": {"AMI": "ami-c9b572aa"},
			"ap-southeast-2": {"AMI": "ami-48d38c2b"},
			"eu-central-1": {"AMI": "ami-bc5b48d0"},
			"ap-northeast-2": {"AMI": "ami-249b554a"},
			"ap-northeast-1": {"AMI": "ami-383c1956"},
			"us-east-1": {"AMI": "ami-60b6c60a"},
			"sa-east-1": {"AMI": "ami-6817af04"},
			"us-west-1": {"AMI": "ami-d5ea86b5"},
			"us-west-2": {"AMI": "ami-f0091d91"}
		}
	},
	"Resources": {
		"EC2Instance": {
			"Type": "AWS::EC2::Instance",
			"Properties": {
				"ImageId": {"Fn::FindInMap": ["RegionMap", {"Ref": "AWS::Region"}, "AMI"]},
				"InstanceType": "t2.nano",
				"NetworkInterfaces": [{
					"AssociatePublicIpAddress": "true",
					"DeviceIndex": "0",
					"GroupSet": [{"Ref": "SecurityGroup"}],
					"SubnetId": {"Ref": "Subnet"}
				}],
				"Tags": [{
					"Key": "Name",
					"Value": "ssh-bastion-host"
				}],
				"KeyName": {"Ref": "KeyPair"}
			}
		},
		"ElasticIP": {
			"Type": "AWS::EC2::EIP",
			"Properties": {
				"InstanceId": {"Ref": "EC2Instance"},
				"Domain": "vpc"
			}
		},
		"SecurityGroup": {
			"Type": "AWS::EC2::SecurityGroup",
			"Properties": {
				"GroupDescription": "ssh-bastion-host",
				"VpcId": {"Ref": "VPC"},
				"SecurityGroupIngress": [{
					"CidrIp": "0.0.0.0/0",
					"FromPort": 22,
					"IpProtocol": "tcp",
					"ToPort": 22
				}]
			}
		}
	},
	"Outputs": {
		"SSHBastionHost": {
			"Description": "Public IP address of SSH bastion host.",
			"Value": {"Ref": "ElasticIP"}
		}
	}
}