From aa0afcb900b95e8848fb6f8b1a0caaa53c33a068 Mon Sep 17 00:00:00 2001
From: Dennis Hermsmeier <dennis.hermsmeier@gmail.com>
Date: Tue, 18 Dec 2018 10:41:44 +0100
Subject: [PATCH] add some docs for extending

---
 README.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/README.md b/README.md
index 62ec774..cb4e929 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,16 @@ Use this Dockerfile / -image to start a sshd-server upon a lightweight Alpine co
 * Password of "root"-user can be changed when starting the container using --env
 * You can choose between ssh-keypair- and password auth
 
+### Extending this image
+This image is designed to be as slim and vanilla as possible.   
+If you need additional Tools like `git` or `bash`-shell, I definetly recommend to build your own image on top of `alpine-sshd`:
+```Dockerfile
+FROM hermsi/alpine-sshd:latest
+
+RUN apk add --no-cache --upgrade \
+      git \
+      bash
+```
 ### Basic Usage
 #### Authentication by password
 ```