diff --git a/Makefile b/Makefile
index 78c863a..607f567 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,9 @@
 # flexible use with docker and podman
 platform ?= docker
 container_workdir = /home/builder/workdir/
+# useful option: "--userns=keep-id"
+# platform_extra_options
+
 
 .PHONY: build
 build:
@@ -36,8 +39,8 @@ build-dev:
 
 .PHONY: dev
 dev: build-dev
-	$(platform) run --rm --expose 4000 -p 127.0.0.1:4000:4000 --mount type=bind,source=${PWD},target=${container_workdir} -it dev-milksad-website jekyll serve -H 0.0.0.0
+	$(platform) run --rm --expose 4000 -p 127.0.0.1:4000:4000 --mount type=bind,source=${PWD},target=${container_workdir} $(platform_extra_options) -it dev-milksad-website jekyll serve -H 0.0.0.0
 
 .PHONY: dev-shell
 dev-shell: build-dev
-	$(platform) run --rm --expose 4000 -p 127.0.0.1:4000:4000 --mount type=bind,source=${PWD},target=${container_workdir} -it dev-milksad-website sh
+	$(platform) run --rm --expose 4000 -p 127.0.0.1:4000:4000 --mount type=bind,source=${PWD},target=${container_workdir} $(platform_extra_options) -it dev-milksad-website sh