diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 00000000..bc53ff58
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,4 @@
+*
+!toCOPY
+!centos-mirror-tools/yum.repos.d/*
+!centos-mirror-tools/rpm-gpg-keys/*