diff --git a/gerrit/environment.template b/gerrit/environment.template
new file mode 100644
index 0000000..f8975aa
--- /dev/null
+++ b/gerrit/environment.template
@@ -0,0 +1,2 @@
+# Set to publicly visible Gerrit URL
+# CANONICAL_WEB_URL=https://review.some.host/