firecracker: use writeJSON

astro · astro · commit ef42cfface99 · 2024-10-24T01:39:52.000+02:00
diff --git a/lib/runners/firecracker.nix b/lib/runners/firecracker.nix
@@ -56,9 +56,7 @@ let
     vsock = null;
   };
 
-  configFile = pkgs.writeText "firecracker-${hostName}.json" (
-    builtins.toJSON config
-  );
+  configFile = pkgs.writers.writeJSON "firecracker-${hostName}.json" config;
 
 in {
   command =
