api-services-infrastructure-p1-autoscaling-group.yml

AutoScalingGroup:
  Type: AWS::AutoScaling::AutoScalingGroup
  Properties:
    VPCZoneIdentifier:
      - !Ref PrivateSubnet1
      - !Ref PrivateSubnet2
    LaunchConfigurationName: !Ref LaunchConfiguration
    MinSize: 4
    MaxSize: 4
    DesiredCapacity: 4
    Tags:
      - Key: Name
        Value: !Sub ${Namespace}-${Environment}-EC2-host
        PropagateAtLaunch: true
    TargetGroupARNs:
      - !Ref SimpleApiTargetGroup
  CreationPolicy:
    ResourceSignal:
      Timeout: PT5M
  UpdatePolicy:
    AutoScalingRollingUpdate:
      MinInstancesInService: 1
      MaxBatchSize: 1
      PauseTime: PT5M
      SuspendProcesses:
        - HealthCheck
        - ReplaceUnhealthy
        - AZRebalance
        - AlarmNotification
        - ScheduledActions
      WaitOnResourceSignals: true

SimpleApiTargetGroup:
  Type: AWS::ElasticLoadBalancingV2::TargetGroup
  Properties:
    VpcId: !Ref VPC
    Port: 3000
    Protocol: HTTP
    Matcher:
      HttpCode: 200-299
    HealthCheckIntervalSeconds: 10
    HealthCheckPath: /healthcheck
    HealthCheckProtocol: HTTP
    HealthCheckTimeoutSeconds: 5
    HealthyThresholdCount: 2

SimpleApiListenerRule:
  Type: AWS::ElasticLoadBalancingV2::ListenerRule
  Properties:
    ListenerArn: !Ref LoadBalancerListener
    Priority: 2
    Conditions:
      - Field: path-pattern
        Values:
          - /echo
    Actions:
      - TargetGroupArn: !Ref SimpleApiTargetGroup
        Type: forward