fixup! lndhub-go: integrate LndHub.go

postgres fixup

we need to wait until LndHub.go with getAlby/lndhub.go#215 merged in is released

modules/lndhub-go.nix

@@ -61,6 +61,8 @@ let
     postgresql;
 
   configFile = builtins.toFile "lndhub-go-conf" (lib.generators.toKeyValue {} cfg.settings);
+
+  dbName = "lndhubgo";
 in {
   inherit options;
 
@@ -74,19 +76,19 @@ in {
     };
     services.postgresql = {
       enable = true;
-      ensureDatabases = [ "lndhubgo" ];
+      ensureDatabases = [ dbName ];
       ensureUsers = [
         {
           name = cfg.user;
-          ensurePermissions."DATABASE lndhubgo" = "ALL PRIVILEGES";
+          ensurePermissions."DATABASE ${dbName}" = "ALL PRIVILEGES";
         }
       ];
     };
 
     services.lndhub-go.settings = {
       HOST = cfg.address;
       PORT = cfg.port;
-      DATABASE_URI = "postgresql://${cfg.user}:@localhost:${toString postgresql.port}/lndhubgo?sslmode=disable";
+      DATABASE_URI = "unix://${cfg.user}@${dbName}/run/postgresql/.s.PGSQL.${toString postgresql.port}?sslmode=disable";
       LND_ADDRESS = "${nbLib.addressWithPort lnd.address lnd.port}";
       LND_MACAROON_FILE = "/run/lnd/lndhub-go.macaroon";
       LND_CERT_FILE = lnd.certPath;