add buckets setting

Author: khvn26

settings/dev.py

@@ -36,6 +36,7 @@
 ]
 LOG_FORMAT = "json"
 PROMETHEUS_HISTOGRAM_BUCKETS = prometheus_client.Histogram.DEFAULT_BUCKETS
+PROMETHEUS_HTTP_SERVER_RESPONSE_SIZE_HISTOGRAM_BUCKETS = PROMETHEUS_HISTOGRAM_BUCKETS
 ROOT_URLCONF = "common.core.urls"
 TIME_ZONE = "UTC"
 USE_TZ = True

src/common/gunicorn/metrics.py

@@ -1,4 +1,5 @@
 import prometheus_client
+from django.conf import settings
 
 from common.prometheus import Histogram
 
@@ -12,8 +13,9 @@
     "HTTP request duration in seconds",
     ["route", "method", "response_status"],
 )
-flagsmith_http_server_response_size_bytes = prometheus_client.Histogram(
+flagsmith_http_server_response_size_bytes = Histogram(
     "flagsmith_http_server_response_size_bytes",
     "HTTP response size in bytes",
     ["route", "method"],
+    buckets=settings.PROMETHEUS_HTTP_SERVER_RESPONSE_SIZE_HISTOGRAM_BUCKETS,
 )