diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000..e052dcf
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1 @@
+builder/build
diff --git a/builder/dockerfile.centos7.build b/builder/dockerfile.centos_core.build
similarity index 100%
rename from builder/dockerfile.centos7.build
rename to builder/dockerfile.centos_core.build