docs: add note about PGHOST_REPLICA

elastisys · Dec 3, 2024 · 93d88e1 · 93d88e1
1 parent 611a835
commit 93d88e1
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/docs/user-guide/additional-services/postgresql.md b/docs/user-guide/additional-services/postgresql.md
@@ -56,9 +56,11 @@ metadata:
   name: $SECRET
   namespace: $NAMESPACE
 stringData:
-  # PGHOST represents a cluster-scoped DNS name or IP, which only makes sense inside the Kubernetes cluster.
+  # PGHOST represents a cluster-scoped DNS name, which only makes sense inside the Kubernetes cluster.
   # E.g., postgresql1.postgres-system.svc.cluster.local
   PGHOST: $PGHOST
+  # PGHOST_REPLICA represents a cluster-scoped DNS name that references the replica, can be used for read-only queries.
+  PGHOST_REPLICA: $PGHOST_REPLICA
 
   # These fields map to the environment variables consumed by psql.
   # Ref https://www.postgresql.org/docs/13/libpq-envars.html