Optimize NGINX throughput query

config/prometheus/common_metrics.yml

@@ -52,7 +52,7 @@
     weight: 1
     queries:
     - id: response_metrics_nginx_ingress_16_throughput_status_code
-      query_range: 'sum(label_replace(label_replace(label_replace(label_replace(rate(nginx_ingress_controller_requests{namespace="%{kube_namespace}",ingress=~".*%{ci_environment_slug}.*"}[2m]), "status_code", "5xx", "status", "5.*"), "status_code", "4xx", "status", "4.*"), "status_code", "3xx", "status", "3.*"), "status_code", "2xx", "status", "2.*")) by (status_code)'
+      query_range: 'sum(label_replace(rate(nginx_ingress_controller_requests{namespace="%{kube_namespace}",ingress=~".*%{ci_environment_slug}.*"}[2m]), "status_code", "${1}xx", "status", "(.)..")) by (status_code)'
       unit: req / sec
       label: Status Code
       series: