diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b2be92b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+result
diff --git a/flake.nix b/flake.nix
index 3849f0f..056575b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -17,12 +17,25 @@
     devShells = forAllSystems (system: pkgs: {
       default = pkgs.mkShell {
         packages = with pkgs; [
+          ruff
           (python3.withPackages (ppkgs: with ppkgs; [
-            tqdm
             psycopg2-binary
           ]))
         ];
       };
     });
+
+    packages = forAllSystems (system: pkgs: {
+      default = self.packages.${system}.mclog2psql;
+      mclog2psql = pkgs.writers.writePython3Bin "mclog2psql" {
+        libraries = [ pkgs.python3Packages.psycopg2 ];
+        flakeIgnore = [ "E265" "E501" ];
+      } (lib.pipe ./mclog2psql/main.py [
+         builtins.readFile
+         (lib.splitString "\n")
+         (lib.filter (line: !lib.hasPrefix "#!" line))
+         (lib.concatStringsSep "\n")
+      ]);
+    });
   };
 }