fleet/modules/public-inbox: set NonBlocking on the httpd service

For whatever reason, it complains if you don't provide this. It will
then set O_NONBLOCK by itself, so I'm not really sure what the point is.

Change-Id: Iec21e48f027a9782625f5fbbe539a8a7ccc04e2c

1 files changed, 1 insertions, 0 deletions

diff --git a/fleet/modules/public-inbox.nix b/fleet/modules/public-inbox.nix
index 82241af..32d99f3 100644
--- a/fleet/modules/public-inbox.nix
+++ b/fleet/modules/public-inbox.nix
@@ -136,6 +136,7 @@ in {
         ExecStart = "${pkgs.public-inbox}/bin/public-inbox-httpd";
         DynamicUser = true;
         SupplementaryGroups = [ "public-inbox" ];
+        NonBlocking = true;  # "to avoid stalled processes when multiple service instances start"
       };
     };
   };