add Dockerfile-test for test container

docker/Dockerfile-test

@@ -0,0 +1,30 @@
+FROM ubuntu:latest
+
+ARG DEBIAN_FRONTEND=noninteractive
+ARG mscpdir="/mscp"
+
+COPY . ${mscpdir}
+
+RUN set -ex && apt-get update && apt-get install -y --no-install-recommends \
+	ca-certificates
+
+# install numpy and pytest, and sshd for test
+RUN apt-get install -y --no-install-recommends	\
+	python3 python3-pip openssh-server
+
+RUN python3 -m pip install numpy pytest
+
+
+# preparation for sshd 
+RUN  mkdir /var/run/sshd	\
+	&& ssh-keygen -f /root/.ssh/id_rsa -N ""		\
+	&& mv /root/.ssh/id_rsa.pub /root/.ssh/authorized_keys
+
+
+# build 
+RUN ${mscpdir}/install-build-deps.sh
+
+RUN cd ${mscpdir}			\
+	&& rm -rf build			\
+	&& mkdir build && cd build	\
+	&& cmake .. && make