ASG-behind-ELB.yaml

AWSTemplateFormatVersion: "2010-09-09"

Description: >-
  This Template creates a EC2 Auto Scaling group behind a Elastic LoadBalancer

Resources:
  theloadBalancer:
    Type: AWS::ElasticLoadBalancing::LoadBalancer
    Properties:
      LoadBalancerName: theLoadBalancer
      AvailabilityZones:
        - "us-east-2a"
        - "us-east-2b"
        - "us-east-2c"
      HealthCheck:
        HealthyThreshold: "2"
        Interval: "10"
        Target: HTTP:80/
        Timeout: "4"
        UnhealthyThreshold: '3'
      Listeners:
        - InstancePort: "80"
          InstanceProtocol: HTTP
          LoadBalancerPort: "443"
          Protocol: HTTP

  theServersLaunchTemplate:
    Type: AWS::EC2::LaunchTemplate
    Properties:
      LaunchTemplateData:
        ImageId: "ami-077e31c4939f6a2f3"
        InstanceType: t2.micro
        KeyName: "bbtgraphicswebsite1"

  myServers:
    Type: AWS::AutoScaling::AutoScalingGroup
    Properties:
      AutoScalingGroupName: myServers
      AvailabilityZones:
        - "us-east-2a"
        - "us-east-2b"
        - "us-east-2c"
      DesiredCapacity: "2"
      HealthCheckGracePeriod: 300
      HealthCheckType: ELB
      LaunchTemplate:
        LaunchTemplateId: !Ref theServersLaunchTemplate
        Version: !GetAtt theServersLaunchTemplate.LatestVersionNumber
      LoadBalancerNames:
        - theLoadBalancer
      MaxSize: "6"
      MinSize: "1"