AWSTemplateFormatVersion: "2010-09-09"

Description: AWS CloudFormation workshop - Intrinsic functions (uksb-1q9p31idr) (tag:intrinsic-functions).

Metadata:
  AWS::CloudFormation::Interface:
    ParameterGroups:
      - Label:
          default: Amazon EC2 Configuration
        Parameters:
          - InstanceType
    ParameterLabels:
      InstanceType:
        default: Type of EC2 Instance

Parameters:
  InstanceType:
    Description: Enter t2.micro or t2.small. Default is t2.micro.
    Type: String
    AllowedValues:
      - t2.micro
      - t2.small
    Default: t2.micro

  AmiID:
    Description: The ID of the AMI.
    Type: AWS::EC2::Image::Id

Resources:
  WebServerInstance:
    Type: AWS::EC2::Instance
    Properties:
      ImageId: !Ref AmiID
      InstanceType: !Ref InstanceType
      Tags:
        - Key: Name
          Value: !Join ['-', [!Ref InstanceType, webserver]]
        - Key: InstanceType
          Value: !Sub ${InstanceType}