chore(README): add `HOST_ROOT` introduced by #1400

2 years ago · 46c4ce3ffc
parent ca886f9316
commit 46c4ce3ffc
1 changed files with 3 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -90,6 +90,9 @@ environment variable.
 You can set an alternative location to `/dev` by setting the `HOST_DEV`
 environment variable.

+You can set an alternative location to `/` by setting the `HOST_ROOT`
+environment variable.
+
 You can set an alternative location to `/proc/N/mountinfo` by setting the
 `HOST_PROC_MOUNTINFO` environment variable.