{
  "version": "0.1.0",
  "network": {
    "gateway_subnets": "private",
    "worker_subnets": "private",
    "assign_public_ip": false,
    "temporal_endpoint_exposure": "private-vpc-frontend"
  },
  "alb": {
    "target_role": "gateway",
    "listener_port": 443,
    "target_port": 8080,
    "health_check_path": "/readyz",
    "health_check_interval_seconds": 15,
    "healthy_threshold": 2,
    "unhealthy_threshold": 3,
    "deregistration_delay_seconds": 60,
    "authentication_required": true,
    "authentication_boundary": "host_application.production with HTTPS and expiring credentials"
  },
  "services": {
    "gateway": {
      "minimum_tasks": 2,
      "maximum_tasks": 2,
      "autoscaling": [],
      "desired_tasks": 2,
      "alarms": [
        {
          "AlarmName": "${APPLICATION_NAME}-gateway-cpuutilization",
          "Namespace": "AWS/ECS",
          "MetricName": "CPUUtilization",
          "Dimensions": [
            {
              "Name": "ClusterName",
              "Value": "${ECS_CLUSTER}"
            },
            {
              "Name": "ServiceName",
              "Value": "${APPLICATION_NAME}-gateway"
            }
          ],
          "Statistic": "Average",
          "Period": 60,
          "EvaluationPeriods": 3,
          "Threshold": 70,
          "ComparisonOperator": "GreaterThanThreshold",
          "TreatMissingData": "breaching",
          "AlarmActions": [
            "${OPERATIONS_ALARM_TOPIC_ARN}"
          ]
        },
        {
          "AlarmName": "${APPLICATION_NAME}-gateway-memoryutilization",
          "Namespace": "AWS/ECS",
          "MetricName": "MemoryUtilization",
          "Dimensions": [
            {
              "Name": "ClusterName",
              "Value": "${ECS_CLUSTER}"
            },
            {
              "Name": "ServiceName",
              "Value": "${APPLICATION_NAME}-gateway"
            }
          ],
          "Statistic": "Average",
          "Period": 60,
          "EvaluationPeriods": 3,
          "Threshold": 80,
          "ComparisonOperator": "GreaterThanThreshold",
          "TreatMissingData": "breaching",
          "AlarmActions": [
            "${OPERATIONS_ALARM_TOPIC_ARN}"
          ]
        }
      ]
    },
    "worker": {
      "minimum_tasks": 2,
      "maximum_tasks": 2,
      "autoscaling": [],
      "desired_tasks": 2,
      "alarms": [
        {
          "AlarmName": "${APPLICATION_NAME}-worker-cpuutilization",
          "Namespace": "AWS/ECS",
          "MetricName": "CPUUtilization",
          "Dimensions": [
            {
              "Name": "ClusterName",
              "Value": "${ECS_CLUSTER}"
            },
            {
              "Name": "ServiceName",
              "Value": "${APPLICATION_NAME}-worker"
            }
          ],
          "Statistic": "Average",
          "Period": 60,
          "EvaluationPeriods": 3,
          "Threshold": 70,
          "ComparisonOperator": "GreaterThanThreshold",
          "TreatMissingData": "breaching",
          "AlarmActions": [
            "${OPERATIONS_ALARM_TOPIC_ARN}"
          ]
        },
        {
          "AlarmName": "${APPLICATION_NAME}-worker-memoryutilization",
          "Namespace": "AWS/ECS",
          "MetricName": "MemoryUtilization",
          "Dimensions": [
            {
              "Name": "ClusterName",
              "Value": "${ECS_CLUSTER}"
            },
            {
              "Name": "ServiceName",
              "Value": "${APPLICATION_NAME}-worker"
            }
          ],
          "Statistic": "Average",
          "Period": 60,
          "EvaluationPeriods": 3,
          "Threshold": 80,
          "ComparisonOperator": "GreaterThanThreshold",
          "TreatMissingData": "breaching",
          "AlarmActions": [
            "${OPERATIONS_ALARM_TOPIC_ARN}"
          ]
        }
      ]
    }
  },
  "deployment": {
    "minimum_healthy_percent": 100,
    "maximum_percent": 200,
    "circuit_breaker": true,
    "rollback": true,
    "health_grace_seconds": 60
  }
}