christianberg · April 14, 2025 13:47 · Aug 20, 2014 · Aug 20, 2014
diff --git a/README.md b/README.md
@@ -1,15 +1,23 @@
 - Build the image from the Dockerfile above:
 
-    docker build --rm -t cberg-test .
-
+```
+docker build --rm -t cberg-test .
+```
+
 - Run a container, sharing the host dir `/root/foo`:
 
-    docker run --rm -v /root/foo:/foo cberg-test
+```
+docker run --rm -v /root/foo:/foo cberg-test
+```
 
 - In another shell, write something to the socket (which was created in `/root/foo` by the container):
 
-    echo 'hello docker' | socat - UNIX-CONNECT:/root/foo/bar.sock
+```
+echo 'hello docker' | socat - UNIX-CONNECT:/root/foo/bar.sock
+```
 
 - See the output of the container in the first shell:
 
-    hello docker
+```
+hello docker
+```
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,8 @@
+FROM ubuntu
+
+RUN apt-get update
+RUN apt-get install -y socat
+
+VOLUME /foo
+
+CMD socat UNIX-LISTEN:/foo/bar.sock -
diff --git a/README.md b/README.md
@@ -0,0 +1,15 @@
+- Build the image from the Dockerfile above:
+
+    docker build --rm -t cberg-test .
+
+- Run a container, sharing the host dir `/root/foo`:
+
+    docker run --rm -v /root/foo:/foo cberg-test
+
+- In another shell, write something to the socket (which was created in `/root/foo` by the container):
+
+    echo 'hello docker' | socat - UNIX-CONNECT:/root/foo/bar.sock
+
+- See the output of the container in the first shell:
+
+    hello docker