diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e4edb1c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "sscep-docker"]
+	path = sscep-docker
+	url = https://github.com/pertoft/sscep-docker
diff --git a/README.md b/README.md
index 1ea78aa..ee88aac 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,18 @@ SSCEP has been tested successfully against the following CA products:
 > (\*\*\*\*) automatic approval according to newer SCEP drafts requires
        OpenCA 0.9.2.4 or higher
 
+
+## Docker version
+Run a single command using:
+`docker run -it pertoft/sscep-docker:latest sscep getca -c tmp/cacert -u http://yourhost/scep/scep`
+
+or alternative to get an interactive shell:
+
+`docker run -it pertoft/sscep-docker:latest bash`
+
+Alternative you can jump into the container and run scep commands docker run -it pertoft/sscep-docker:latest bash
+
+
 ## HOW TO COMPILE
 
 The program should compile on the following systems:
diff --git a/sscep-docker b/sscep-docker
new file mode 160000
index 0000000..ed1e93b
--- /dev/null
+++ b/sscep-docker
@@ -0,0 +1 @@
+Subproject commit ed1e93bc9daa0de4ed34649e4857d348c8094212