diff --git a/justfile b/justfile
index 801f0f3..bdfd507 100644
--- a/justfile
+++ b/justfile
@@ -10,8 +10,8 @@ registry_user := "jswank"
 registry_pass_var := "REGISTRY_PASSWORD"  
 
 # build a new image
-build:
-  podman build -t {{image}}:{{tag}} -f Dockerfile ctx
+build flags="":
+  podman build -t {{image}}:{{tag}} {{flags}} -f Dockerfile ctx
 
 # publish the image
 publish alt_tag=tag: