vpc.yaml

AWSTemplateFormatVersion: '2010-09-09'

Description: >
    VPC Creater
    
    Creates Simple VPC with Internet GW and 2 public Subnets


Resources:  
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: 10.20.0.0/16
      EnableDnsSupport: true
      EnableDnsHostnames: true
      Tags:
        - Key: Name
          Value: !Ref AWS::StackName

  InternetGateway:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
        - Key: Name
          Value: !Ref AWS::StackName

  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      InternetGatewayId: !Ref InternetGateway
      VpcId: !Ref VPC

  PublicSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [ 0, !GetAZs '' ]
      CidrBlock: 10.20.1.0/24
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub ${AWS::StackName} Public Subnet (AZ1)

  PublicSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      VpcId: !Ref VPC
      AvailabilityZone: !Select [ 1, !GetAZs  '' ]
      CidrBlock: 10.20.2.0/24
      MapPublicIpOnLaunch: true
      Tags:
        - Key: Name
          Value: !Sub ${AWS::StackName} Public Subnet (AZ2)

  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
      Tags:
        - Key: Name
          Value: !Ref AWS::StackName

  DefaultPublicRoute:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref InternetGateway

  PublicSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PublicRouteTable
      SubnetId: !Ref PublicSubnet1

  PublicSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref PublicRouteTable
      SubnetId: !Ref PublicSubnet2
      
Outputs:
  VPC:
    Description: The ID of the VPC
    Value: !Ref VPC
  PublicSubnet1:
    Description: The ID of Public Subnet 1
    Value: !Ref PublicSubnet1
  PublicSubnet2:
    Description: The ID of Public Subnet 2
    Value: !Ref PublicSubnet2