diff --git a/.gitignore b/.gitignore
index 1c968f7..962f4a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ Rocket.toml
 
 var/secret/*
 !var/secret/.gitkeep
+
+.#*
+result*
diff --git a/default.nix b/default.nix
index 4ad81d0..05faa0b 100644
--- a/default.nix
+++ b/default.nix
@@ -9,10 +9,13 @@ let
   src = builtins.filterSource
     (path: type: type != "directory" || builtins.baseNameOf path != "target")
     ./.;
+  pahi = pkgs.callPackage sources.pahi {
+    inherit sources;
+  };
 in {
   backend = naersk.buildPackage {
     name = "wasmcloud_backend";
     inherit src;
-    buildInputs = with pkgs; [ openssl pkg-config ];
+    buildInputs = with pkgs; [ openssl pkg-config postgresql ];
   };
 }