VPC.yaml

Description: Enables IPv6 addresses
Parameters:
  VPCCidrBlock:
    Type: String
    Description: 'The /16 CIDR block for the VPC'
    Default: 10.0.0.0/16
    AllowedPattern: '(\d{1,3})\.(\d{1,3})\.0\.0/16'
    ConstraintDescription: Must be a valid IP /16 CIDR block
Resources:
  Vpc:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: !Ref VPCCidrBlock
      Tags:
        - Key: Name
          Value: "Test VPC"
  InternetGateway:
    Type: AWS::EC2::InternetGateway
  AttachGateway:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref Vpc
      InternetGatewayId: !Ref InternetGateway
  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref Vpc
  PublicRoute:
    Type: AWS::EC2::Route
    DependsOn: InternetGateway
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref InternetGateway
  PublicSubnet:
    Type: AWS::EC2::Subnet
    Properties:
      CidrBlock: !Select [0, !Cidr [!GetAtt 'Vpc.CidrBlock', 1, 8]]
      VpcId: !Ref Vpc
  PublicSubnetRouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet
      RouteTableId: !Ref PublicRouteTable
Transform:
  - EnableIPv6