fix: single node state (#2574) (#2578)

Co-authored-by: Jan Lehnardt <jan@apache.org>

1 files changed, 7 insertions, 5 deletions

diff --git a/src/setup/src/setup.erl b/src/setup/src/setup.erl
index 3d23229b8..cc64ae438 100644
--- a/src/setup/src/setup.erl
+++ b/src/setup/src/setup.erl
@@ -65,13 +65,15 @@ is_cluster_enabled() ->
     end.
 
 is_single_node_enabled(Dbs) ->
-    % admins != empty AND dbs exist
+    % admins != empty AND dbs exist OR `[couchdb] single_node` is set to true
     Admins = config:get("admins"),
     HasDbs = has_cluster_system_dbs(Dbs),
-    case {Admins, HasDbs} of
-        {[], _} -> false;
-        {_, false} -> false;
-        {_,_} -> true
+    SingleNodeConfig = config:get_boolean("couchdb", "single_node", false),
+    case {Admins, HasDbs, SingleNodeConfig} of
+        {_, _, true} -> true;
+        {[], _, _} -> false;
+        {_, false, _} -> false;
+        {_,_,_} -> true
     end.
 
 cluster_system_dbs() ->