Include ssh client dependency

Author: beevelop

Dockerfile

@@ -4,7 +4,7 @@ MAINTAINER Maik Hummel <m@ikhummel.com>
 
 ENV IONIC_VERSION 3.19.1
 
-RUN apt-get update && apt-get install -y git bzip2 && \
+RUN apt-get update && apt-get install -y git bzip2 openssh-client && \
     npm i -g --unsafe-perm ionic@${IONIC_VERSION} && \
     ionic --no-interactive config set -g daemon.updates false && \
     rm -rf /var/lib/apt/lists/* && apt-get clean