diff --git a/README.md b/README.md
index 0f07d36..8faf004 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,6 @@ The result is a zipfile with a Shibb IdP/Tomcat config.
 
 Build this container like this: docker build -t tierconfigbuilder .
 
-Run the container like this: docker run -it -v $PWD/myconfigs:/output tierconfigbuilder
+Run the container like this: docker run --interactive --tty -v $PWD:/output -e "BUILD_ENV=LINUX" tier/shibbidp_configbuilder_container
 
 After answering the questions in the configBuilder, your config will be a zipfile in a child directory of the current directory named 'myconfigs' and should work on either a Linux or a Windows release.