00-network.yml

Resources:
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: 10.0.0.0/16
      EnableDnsSupport: true
      EnableDnsHostnames: true
      InstanceTenancy: default
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-vpc

  PrivateSubnetA:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'a']]
      CidrBlock: 10.0.0.0/19
      VpcId: !Ref VPC
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PrivateSubnetA

  PrivateSubnetB:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'b']]
      CidrBlock: 10.0.32.0/19
      VpcId: !Ref VPC
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PrivateSubnetB

  PrivateSubnetC:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'c']]
      CidrBlock: 10.0.64.0/19
      VpcId: !Ref VPC
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PrivateSubnetC

  PublicSubnetA:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'a']]
      CidrBlock: 10.0.96.0/19
      VpcId: !Ref VPC
      MapPublicIpOnLaunch: true
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PublicSubnetA

  PublicSubnetB:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'b']]
      CidrBlock: 10.0.128.0/19
      VpcId: !Ref VPC
      MapPublicIpOnLaunch: true
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PublicSubnetB

  PublicSubnetC:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: !Join ['', [!Ref 'AWS::Region', 'c']]
      CidrBlock: 10.0.160.0/19
      VpcId: !Ref VPC
      MapPublicIpOnLaunch: true
      Tags:
      - Key: Name
        Value: !Sub ${AWS::StackName}-PublicSubnetC

  IGW:
    Type: AWS::EC2::InternetGateway
    Properties:
      Tags:
      - Key: Name
        Value: IGW

  VPCGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      InternetGatewayId: !Ref IGW
      VpcId: !Ref VPC

  InternetRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC

  InternetRoute:
    Type: AWS::EC2::Route
    DependsOn: VPCGatewayAttachment
    Properties:
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref IGW
      RouteTableId: !Ref InternetRouteTable

  InternetRouteTableAssociationPublicA:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref InternetRouteTable
      SubnetId: !Ref PublicSubnetA

  InternetRouteTableAssociationPublicB:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref InternetRouteTable
      SubnetId: !Ref PublicSubnetB

  InternetRouteTableAssociationPublicC:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref InternetRouteTable
      SubnetId: !Ref PublicSubnetC