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Dockerfile

@@ -1,10 +1,14 @@
-FROM ubuntu:18.04
+FROM phusion/baseimage:0.11
+CMD ["/sbin/my_init"]
 
 ADD ./sources.list /etc/apt/sources.list
 
-RUN echo "#!/bin/sh\nexit 101" > /usr/sbin/policy-rc.d
+# setup
 ADD ./run.sh /tmp/run.sh
 RUN bash /tmp/run.sh && rm /tmp/run.sh
-ADD ./my_init /usr/sbin/my_init
-RUN chmod +x /usr/sbin/my_init
-CMD /usr/sbin/my_init
+
+# enable ssh
+RUN rm -f /etc/service/sshd/down
+
+#cleanup
+RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*