diff --git a/apps/emqx_conf/.gitignore b/apps/emqx_conf/.gitignore
new file mode 100644
index 000000000..e16e11bbf
--- /dev/null
+++ b/apps/emqx_conf/.gitignore
@@ -0,0 +1,3 @@
+data/
+etc/certs/
+etc/emqx.conf.all.rendered