AWSTemplateFormatVersion: 2010-09-09
Description: VPC and Subnet definitions for Strapi + ELB project.
Resources:
  PublicVPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: "172.31.0.0/16"
      EnableDnsHostnames: true
      EnableDnsSupport: true
  PublicSubnet0:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone:
        Fn::Select:
          - 0
          - Fn::GetAZs: !Ref "AWS::Region"
      VpcId: !Ref PublicVPC
      CidrBlock: 172.31.0.0/20
      MapPublicIpOnLaunch: true
  PublicSubnet1:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone:
        Fn::Select:
          - 1
          - Fn::GetAZs: !Ref "AWS::Region"
      VpcId: !Ref PublicVPC
      CidrBlock: 172.31.16.0/20
      MapPublicIpOnLaunch: true
  PublicSubnet2:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone:
        Fn::Select:
          - 2
          - Fn::GetAZs: !Ref "AWS::Region"
      VpcId: !Ref PublicVPC
      CidrBlock: 172.31.32.0/20
      MapPublicIpOnLaunch: true
  InternetGateway:
    Type: AWS::EC2::InternetGateway
  InternetGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref PublicVPC
      InternetGatewayId: !Ref InternetGateway
  PublicRouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref PublicVPC
  PublicRoute:
    Type: AWS::EC2::Route
    DependsOn: InternetGatewayAttachment
    Properties:
      RouteTableId: !Ref PublicRouteTable
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref InternetGateway
  PublicSubnet0RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet0
      RouteTableId: !Ref PublicRouteTable
  PublicSubnet1RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet1
      RouteTableId: !Ref PublicRouteTable
  PublicSubnet2RouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      SubnetId: !Ref PublicSubnet2
      RouteTableId: !Ref PublicRouteTable
Outputs:
  PublicVPCID:
    Description: The VPC ID.
    Value: !Ref PublicVPC
    Export:
      Name: ELBStrapiPublicVPC
  PublicSubnet0ID:
    Description: The ID of the subnet.
    Value: !Ref PublicSubnet0
    Export:
      Name: ELBStrapiSubnet0
  PublicSubnet1ID:
    Description: The ID of the subnet.
    Value: !Ref PublicSubnet1
    Export:
      Name: ELBStrapiSubnet1
  PublicSubnet2ID:
    Description: The ID of the subnet.
    Value: !Ref PublicSubnet2
    Export:
      Name: ELBStrapiSubnet2