Update Dockerfile

Dockerfile

@@ -79,8 +79,8 @@ COPY . /app
 RUN cp /app/sshd_config /etc/ssh/sshd_config && \
     cat /etc/ssh/sshd_config
     
-RUN rm -f /etc/ssh/ssh_* && \
-    yes y | ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N "0Ne" && \
+# RUN rm -f /etc/ssh/ssh_* && \
+RUN yes y | ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N "0Ne" && \
     yes y | ssh-keygen -t ecdsa -b 256 -f /etc/ssh/ssh_host_ecdsa_key -N "0Ne" && \
     yes y | ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N "0Ne" && \
     ssh-keyscan -p 2222 0.0.0.0 >> /etc/ssh/ssh_known_hosts