diff --git a/appengine/helloworld/.gitignore b/appengine/helloworld/.gitignore
new file mode 100644
index 00000000000..471339729ae
--- /dev/null
+++ b/appengine/helloworld/.gitignore
@@ -0,0 +1,7 @@
+# Eclipse files
+.project
+.classpath
+.settings
+
+# Target folders
+target/