diff --git a/config/environments.yml b/config/environments.yml
index 96ecc98..a393cd9 100644
--- a/config/environments.yml
+++ b/config/environments.yml
@@ -11,3 +11,9 @@ environments:
     host: prod.nexus.local
     replicas: 5
     log_level: warn
+
+  dr:
+    host: dr.nexus.local
+    replicas: 2
+    log_level: warn
+    comment: "disaster recovery — cold standby, activate only on P1"