Add outline

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

packages/docker/sish/default.nix

@@ -1,22 +1,19 @@
 { pkgs, ... }:
+let
+  sish = pkgs.sish.overrideAttrs (oldAttrs: {
+    patches = oldAttrs.patches or [ ] ++ [ ./proxy-ssl-termination.patch ];
+  });
+in
 pkgs.dockerTools.buildImage {
   name = "sish";
   fromImage = import ../base { inherit pkgs; };
 
   copyToRoot = pkgs.buildEnv {
     name = "root";
-    paths = with pkgs; [
-      (sish.overrideAttrs (oldAttrs: {
-        patches = oldAttrs.patches or [ ] ++ [ ./proxy-ssl-termination.patch ];
-      }))
-    ];
+    paths = [ sish ];
     pathsToLink = [ "/bin" ];
   };
 
-  runAsRoot = ''
-    mkdir -p /tmp
-  '';
-
   config = {
     Entrypoint = [ "/bin/sish" ];
     Cmd = [