feat(basic remote server): add dockerfile and entrypoint script

* setup basic ubuntu image to a minimal remote server

dockerfile

@@ -0,0 +1,17 @@
+FROM ubuntu:latest
+
+RUN apt-get update -y \
+  && apt-get install -y openssh-server git vim htop \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+RUN yes | unminimize
+
+RUN echo "root:demo" | chpasswd
+RUN echo "PermitRootLogin Yes" >> /etc/ssh/sshd_config
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh 
+
+CMD ["bash"]
+ENTRYPOINT ["/entrypoint.sh"]

entrypoint.sh

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+#!/usr/bin/env bash
+
+service --status-all
+service ssh restart
+service --status-all
+
+exec "$@"