Use overlay

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

flake.nix

@@ -11,7 +11,7 @@
   outputs =
     inputs:
     {
-      overlays.default = import ./overlays;
+      overlays.default = import ./overlay;
     }
     // (
       let
@@ -26,7 +26,6 @@
         treefmt = inputs.treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
       in
       {
-        packages.${system} = import ./packages { inherit pkgs; };
         formatter.${system} = treefmt.config.build.wrapper;
         checks.${system}.formatting = treefmt.config.build.check inputs.self;
       }

overlay/default.nix

@@ -12,9 +12,3 @@ final: prev:
     };
   };
 }
-// (import ../packages { pkgs = final; })
-// {
-  dockerImages = prev.dockerImages or { } // {
-    base = final.docker-image-base;
-  };
-}

packages/default.nix

@@ -1,4 +0,0 @@
-{ pkgs, ... }:
-{
-  docker-image-base = import ./docker/base { inherit pkgs; };
-}

packages/docker/base/default.nix

@@ -1,27 +0,0 @@
-{ pkgs, ... }:
-pkgs.dockerTools.buildImage {
-  name = "base";
-
-  copyToRoot = pkgs.buildEnv {
-    name = "root";
-    paths = with pkgs; [
-      dockerTools.usrBinEnv
-      dockerTools.binSh
-      dockerTools.caCertificates
-      bashInteractive
-      busybox
-    ];
-    pathsToLink = [
-      "/bin"
-      "/lib"
-      "/share"
-      "/etc"
-      "/usr"
-    ];
-  };
-
-  runAsRoot = ''
-    ${pkgs.dockerTools.shadowSetup}
-    mkdir -p /tmp
-  '';
-}