diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1 +1,12 @@
-# build-image [![Build Status](https://travis-ci.com/volker-raschek/build-image.svg?branch=master)](https://travis-ci.com/volker-raschek/build-image)
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+# build-image [![Build Status](https://travis-ci.com/volker-raschek/build-image.svg?branch=master)](https://travis-ci.com/volker-raschek/build-image)
+This project contains only files to build a build container image.
+
+## golang
+Execute this in your root folder of your go project.
+```bash
+$ docker run \
+    --rm \
+    --volume ${PWD}:/workspace \
+    volkerraschek/build-image:latest \
+      go build
+```
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