EC-2 cloudFormation Template

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "AWS CF Template to create VPC, Subnet, Security Group, Route Table and Internet Gateway",
  "Parameters":{
     "AvailabilityZone": {
    "Description": "select the Availability Zone for your Deployment",
    "Type": "AWS::EC2::AvailabilityZone::Name"
      }
  },
  "Mappings": {
    "SubnetConfig": {
      "VPC": {
        "CIDR": "10.0.0.0/16"
      },
      "Subnet": {
        "CIDR": "10.0.0.0/24"
      }
    }
  },
  "Resources":{
     "VPC": {
    "Type": "AWS::EC2::VPC",
    "Properties": {
      "CidrBlock": {
        "Fn::FindInMap": [
          "SubnetConfig",
          "VPC",
          "CIDR"
        ]
      },
        "Tags": [
          {
            "Key": "Name",                                                                                                                                                                      
            "Value": "vpc01"                                                                                                                                                                    
          }                                                                                                                                                                                     
        ]                                                                                                                                                                                       
      }                                                                                                                                                                                         
    },
    "InternetGateway": {
      "Type": "AWS::EC2::InternetGateway"
    },
    "InternetGatewayAttachement": {
      "Type": "AWS::EC2::VPCGatewayAttachment",
      "Properties": {
     "InternetGatewayId": {
          "Ref": "InternetGateway"
        },
        "VpcId": {
          "Ref": "VPC"
        }
      }
    },
    "EC2InstanceSubnet": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "CidrBlock": {
          "Fn::FindInMap": [
            "SubnetConfig",
            "Subnet",
            "CIDR"
          ]
        },
        "AvailabilityZone": {"Ref": "AvailabilityZone"},
        "VpcId": {"Ref": "VPC"},
        "Tags": [
          {
            "Key": "Name",
            "Value": "subnet01"
          }
        ]
      }
    },
    "PublicSubnetsRouteTable": {
      "Type": "AWS::EC2::RouteTable",
      "Properties": {
        "VpcId": {"Ref": "VPC"}
      }
    },
    "InternetRoute": {
      "Type": "AWS::EC2::Route",
      "DependsOn": "InternetGateway",
      "Properties": {
        "RouteTableId": {"Ref": "PublicSubnetsRouteTable"},
        "DestinationCidrBlock": "0.0.0.0/0",
        "GatewayId": {"Ref": "InternetGateway"}
      }
    },
    "AssociateRouteTableWithPublicSubnet": {
      "Type": "AWS::EC2::SubnetRouteTableAssociation",
      "Properties": {
        "RouteTableId": {"Ref": "PublicSubnetsRouteTable"},
        "SubnetId": {"Ref": "EC2InstanceSubnet"}
      }
    },
    "SecurityGroup": {
      "Type": "AWS::EC2::SecurityGroup",
      "Properties": {
        "GroupDescription": "EC2 security group",
        "VpcId": {"Ref": "VPC"},
        "SecurityGroupIngress": [
          {
            "IpProtocol": "tcp",
            "FromPort": "80",
            "ToPort": "80",
            "CidrIp": "0.0.0.0/0"
          }
        ],
        "Tags": [
          {
            "Key": "Name",
            "Value": "sg01"
          }
        ]
      }
    }
 },
  "Outputs": {
    "VpcId": 
    {
      "Value": {"Ref": "VPC"},
      "Description": "The id of the created vpc"
    },
    "SubnetId":
    {
      "Value": {"Ref": "EC2InstanceSubnet"},
      "Description": "The id of the created subnet"
    },
     "SecurityGroupId":
    {
      "Value": {"Ref": "SecurityGroup"},
      "Description": "The id of the created subnet"
    }
  }
}