Add Whitelist to sample.env

Author: gaya3-zipstack

backend/sample.env

@@ -200,3 +200,8 @@ RUNNER_POLLING_INTERVAL_SECONDS=2
 # Default: 1800 seconds (30 minutes)
 # Examples: 900 (15 min), 1800 (30 min), 3600 (60 min)
 MIN_SCHEDULE_INTERVAL_SECONDS=1800
+
+# WHitelisted adapter URLs to allow user to connect to locally hosted adapters.
+# Whitelisting 10.68.0.10 to allow frictionless adapter connection to
+# managed Postgres for VectorDB
+ALLOWED_ADAPTER_PRIVATE_ENDPOINTS="127.0.0.1, 10.68.0.10"