Use docker base image pkg

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

packages/docker/flaresolverr/default.nix

@@ -1,7 +1,7 @@
 { pkgs, ... }:
 pkgs.dockerTools.buildImage {
   name = "flaresolverr";
-  fromImage = import ../base { inherit pkgs; };
+  fromImage = pkgs.docker-image-base;
 
   copyToRoot = pkgs.buildEnv {
     name = "root";