app-server.yml

AWSTemplateFormatVersion: 2010-09-09
Parameters:
  InstanceTypeParameter:
    Type: String
    Default: t3a.medium
    Description: Enter instance size. Default is t3a.medium.
  WorkstationIp:
    Type: String
    Description: The IP address of the workstation that can SSH into the instance.
  AMI:
    Type: String
    Default: ami-0e472ba40eb589f49
    Description: The Linux AMI to use.
  Key:
    Type: String
    Description: The key used to access the instance.
Resources:
  VPC:
    Type: AWS::EC2::VPC
    Properties:
      CidrBlock: 10.0.0.0/16
      EnableDnsSupport: true
      EnableDnsHostnames: true
      InstanceTenancy: default
      Tags:
        - Key: Name
          Value: Linux VPC
  InternetGateway:
    Type: AWS::EC2::InternetGateway
  VPCGatewayAttachment:
    Type: AWS::EC2::VPCGatewayAttachment
    Properties:
      VpcId: !Ref VPC
      InternetGatewayId: !Ref InternetGateway
  SubnetA:
    Type: AWS::EC2::Subnet
    Properties:
      AvailabilityZone: us-east-1a
      VpcId: !Ref VPC
      CidrBlock: 10.0.0.0/24
      MapPublicIpOnLaunch: true
  RouteTable:
    Type: AWS::EC2::RouteTable
    Properties:
      VpcId: !Ref VPC
  InternetRoute:
    Type: AWS::EC2::Route
    DependsOn: InternetGateway
    Properties:
      DestinationCidrBlock: 0.0.0.0/0
      GatewayId: !Ref InternetGateway
      RouteTableId: !Ref RouteTable
  SubnetARouteTableAssociation:
    Type: AWS::EC2::SubnetRouteTableAssociation
    Properties:
      RouteTableId: !Ref RouteTable
      SubnetId: !Ref SubnetA
  InstanceSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupName: "Internet Group"
      GroupDescription: "SSH and web traffic in, all traffic out."
      VpcId: !Ref VPC
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: '80'
          ToPort: '80'
          CidrIp:  0.0.0.0/0
        - IpProtocol: tcp
          FromPort: '22'
          ToPort: '22'
          CidrIp:  !Sub ${WorkstationIp}/32
      SecurityGroupEgress:
        - IpProtocol: -1
          CidrIp: 0.0.0.0/0
  ElasticIP:
    Type: AWS::EC2::EIP
    Properties:
      Domain: vpc
      InstanceId: !Ref Linux
  Linux:
    Type: 'AWS::EC2::Instance'
    Properties:
      SubnetId: !Ref SubnetA
      ImageId: !Ref AMI
      InstanceType:
        Ref: InstanceTypeParameter
      KeyName: !Ref Key
      SecurityGroupIds:
        - Ref: InstanceSecurityGroup
      BlockDeviceMappings:
        - DeviceName: /dev/xvda
          Ebs:
            VolumeSize: 250
      Tags:
        -
          Key: Appplication
          Value: App Server
        -
          Key: Domain
          Value: None
        -
          Key: Environment
          Value: Test
        -
          Key: LifeTime
          Value: Transient
        -
          Key: Name
          Value: Linux Server
        -
          Key: OS
          Value: Linux
      UserData:
        Fn::Base64: |
          #cloud-boothook
          #!/bin/bash
          echo "Hello World!"
Outputs:
  PublicIp:
    Value:
      Fn::GetAtt:
        - Linux
        - PublicIp
    Description: Server's PublicIp Address