diff --git a/README.md b/README.md
index cf528d9..3878f53 100644
--- a/README.md
+++ b/README.md
@@ -3,3 +3,11 @@ Cross compiling images
 
 This is images with a complete MXE environment. 
 Designed for crosscompiling Windows binaries with as little hassle as possible.
+
+## Building
+
+```
+docker build . -f mxe_basic/Dockerfile -t sago007/mxe_basic
+docker build . -f mxe_boost/Dockerfile -t sago007/mxe_boost
+docker build . -f mxe_blockattack/Dockerfile -t sago007/docker_blockattack
+```