gistfile1.diff

diff --git a/services/web/src/website/settings/base.py b/services/web/src/website/settings/base.py
index 25bb9c96..47edb55b 100644
--- a/services/web/src/website/settings/base.py
+++ b/services/web/src/website/settings/base.py
@@ -569,9 +569,21 @@ if os.getenv("SENTRY_DSN"):
             return None
         return event

+    # Set up Sentry distributed tracing
+    # see https://docs.sentry.io/platforms/python/performance/
+    sentry_traces_sample_rates = {"test": 0.5, "stage": 0.5, "prod": 0.1}
+
+    try:
+        sentry_traces_sample_rate = sentry_traces_sample_rates[
+            os.environ["ENVIRONMENT_TYPE"]
+        ]
+    except KeyError:
+        sentry_traces_sample_rate = 0
+
     sentry_sdk.init(
         dsn=os.environ["SENTRY_DSN"],
         send_default_pii=True,
         integrations=[DjangoIntegration()],
         before_send=sentry_before_send,
+        traces_sample_rate=sentry_traces_sample_rate,
     )