test.sh

#!/bin/bash

aws cloudformation create-stack --stack-name test-vpc --template-body file://vpc.json

vpc.json

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Description": "Test VPN",
  "Resources": {
    "route": {
      "Type": "AWS::EC2::Route",
      "Properties": {
        "DestinationCidrBlock": "0.0.0.0/0",
        "GatewayId": {
          "Ref": "gateway"
        },
        "RouteTableId": {
          "Ref": "routeTable"
        }
      }
    },
    "gateway": {
      "Type": "AWS::EC2::InternetGateway"
    },
    "associateSubnetC": {
      "Type": "AWS::EC2::SubnetRouteTableAssociation",
      "Properties": {
        "RouteTableId": {
          "Ref": "routeTable"
        },
        "SubnetId": {
          "Ref": "subnetC"
        }
      }
    },
    "associateSubnetB": {
      "Type": "AWS::EC2::SubnetRouteTableAssociation",
      "Properties": {
        "RouteTableId": {
          "Ref": "routeTable"
        },
        "SubnetId": {
          "Ref": "subnetB"
        }
      }
    },
    "associateSubnetA": {
      "Type": "AWS::EC2::SubnetRouteTableAssociation",
      "Properties": {
        "RouteTableId": {
          "Ref": "routeTable"
        },
        "SubnetId": {
          "Ref": "subnetA"
        }
      }
    },
    "vpcAttachment": {
      "Type": "AWS::EC2::VPCGatewayAttachment",
      "Properties": {
        "InternetGatewayId": {
          "Ref": "gateway"
        },
        "VpcId": {
          "Ref": "vpc"
        }
      }
    },
    "vpc": {
      "Type": "AWS::EC2::VPC",
      "Properties": {
        "CidrBlock": "172.31.0.0/16",
        "EnableDnsHostnames": true,
        "EnableDnsSupport": true,
        "InstanceTenancy": "default",
        "Tags": [
          {
            "Key": "Name",
            "Value": "FILL_ME_IN"
          }
        ]
      }
    },
    "dhcpOptions": {
      "Properties": {
        "DomainNameServers": [
          "AmazonProvidedDNS"
        ],
        "DomainName": "test.domaon"
      },
      "Type": "AWS::EC2::DHCPOptions"
    },
    "vpcDhcOptions": {
      "Properties": {
        "VpcId": {
          "Ref": "vpc"
        },
        "DhcpOptionsId": {
          "Ref": "dhcpOptions"
        }
      },
      "Type": "AWS::EC2::VPCDHCPOptionsAssociation"
    },
    "subnetC": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "AvailabilityZone": "eu-west-1c",
        "CidrBlock": "172.31.0.0/20",
        "VpcId": {
          "Ref": "vpc"
        }
      }
    },
    "subnetB": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "AvailabilityZone": "eu-west-1b",
        "CidrBlock": "172.31.32.0/20",
        "VpcId": {
          "Ref": "vpc"
        }
      }
    },
    "subnetA": {
      "Type": "AWS::EC2::Subnet",
      "Properties": {
        "AvailabilityZone": "eu-west-1a",
        "CidrBlock": "172.31.16.0/20",
        "VpcId": {
          "Ref": "vpc"
        }
      }
    },
    "routeTable": {
      "Type": "AWS::EC2::RouteTable",
      "Properties": {
        "VpcId": {
          "Ref": "vpc"
        }
      }
    }
  }
}