1 files changed, 5 insertions, 1 deletions
diff --git a/pkgs/common.nix b/pkgs/common.nix
index d6bd9c6..212d1e6 100644
--- a/pkgs/common.nix
+++ b/pkgs/common.nix
@@ -105,6 +105,10 @@ let
     };
   };
 
+  # we usually use nix versions as docker image tags, issue is nix versions
+  # have characters which docker does not support. this cleans them up!
+  sanitizeTag = tag: lib.replaceStrings [ "+" "~" ":" ] [ "_" "_" "_" ] tag;
+
   soloOrDuoPort =
     p:
     with builtins;
@@ -142,4 +146,4 @@ let
       "${me.tailscale.ip}:${host}:${container}";
   };
 in
-images // ports
+images // ports // { inherit sanitizeTag; }