Cloudformation Script to create a VPC with one subnet in aws

aws-cloudformation-simple-vpc.json

{
  "AWSTemplateFormatVersion" : "2010-09-09",

  "Description" : "AWS Template to create a a VPC",

  "Resources" : {
    "VPC" : {
      "Type" : "AWS::EC2::VPC",
      "Properties" : {
        "CidrBlock" : "10.0.0.0/16",
        "Tags" : [ {"Key" : "Application", "Value" : { "Ref" : "AWS::StackId"} } ]
      }
    },

    "Subnet" : {
      "Type" : "AWS::EC2::Subnet",
      "Properties" : {
        "VpcId" : { "Ref" : "VPC" },
        "CidrBlock" : "10.0.0.0/24",
        "Tags" : [ {"Key" : "Application", "Value" : { "Ref" : "AWS::StackId"} } ]
      }
    },

    "InternetGateway" : {
      "Type" : "AWS::EC2::InternetGateway",
      "Properties" : {
        "Tags" : [ {"Key" : "Application", "Value" : { "Ref" : "AWS::StackId"} } ]
      }
    },

    "AttachGateway" : {
       "Type" : "AWS::EC2::VPCGatewayAttachment",
       "Properties" : {
         "VpcId" : { "Ref" : "VPC" },
         "InternetGatewayId" : { "Ref" : "InternetGateway" }
       }
    },

    "RouteTable" : {
      "Type" : "AWS::EC2::RouteTable",
      "Properties" : {
        "VpcId" : {"Ref" : "VPC"},
        "Tags" : [ {"Key" : "Application", "Value" : { "Ref" : "AWS::StackId"} } ]
      }
    }

  }
}