Restore dockerignore

Change-Id: Ib8118473fc8fa611d509690e8fb3f088b67bd407
diff --git a/.dockerignore b/.dockerignore
index 459daee..513c474 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,7 +1,9 @@
 *
 !/core
 !/sample-index
+!/src
 !/wiki-index
 !/Changes*
+!/*.xml
 !/LICENSE
 !.dockerignore
\ No newline at end of file