🏁 Example for ECS Fargate App Using ALB Latency

alb_latency.tf

resource "awscc_applicationsignals_service_level_objective" "fargate_latency_slo" {
  name        = "ecs-fargate-latency-slo"
  description = "Latency SLO for ECS Fargate service behind ALB"

  sli = {
    comparison_operator = "LessThan"
    metric_threshold    = 500 # 500ms latency threshold

    sli_metric = {
      metric_data_queries = [{
        id = "latency"
        metric_stat = {
          metric = {
            namespace   = "AWS/ApplicationELB"
            metric_name = "TargetResponseTime"
            dimensions = [
              {
                name  = "LoadBalancer"
                value = "app/my-alb-name/abc123" # update to match your ALB
              }
            ]
          }
          period = 300
          stat   = "p95"
        }
      }]
    }
  }

  goal = {
    attainment_goal = 99.0
    interval = {
      rolling_interval = {
        duration      = 7
        duration_unit = "DAY"
      }
    }
  }

  burn_rate_configurations = [
    {
      look_back_window_minutes = 60
    },
    {
      look_back_window_minutes = 1440
    }
  ]

  tags = [
    {
      key   = "Environment"
      value = "Production"
    },
    {
      key   = "AppName"
      value = "MyFargateService"
    }
  ]
}