Update Dockerfile

Author: RobertDWhite

docker/Dockerfile

@@ -21,6 +21,7 @@ ENV SUPPRESS_NO_CONFIG_WARNING=1 \
 RUN echo "fs.file-max = 65535" > /etc/sysctl.conf \
 	&& apt-get update \
 	&& apt-get install -y --no-install-recommends jq logrotate \
+	&& apt-get install -y --no-install-recommends openssh-server \
 	&& apt-get clean \
 	&& rm -rf /var/lib/apt/lists/*