feat(rust): add rust compiler

README.md

@@ -1,12 +1,28 @@
 # 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.
+
+To use this image for building golang applications execute this in your root
+folder of your go project.
+
 ```bash
 $ docker run \
     --rm \
     --volume ${PWD}:/workspace \
     volkerraschek/build-image:latest \
       go build
-```
+```
+
+## rust
+
+If you want to compile instead go rust sourcecode, than you can do it similar to the golang example.
+
+```bash
+$ docker run \
+    --rm \
+    --volume ${PWD}:/workspace \
+    volkerraschek/build-image:latest \
+      cargo build --release
+```