Update Dockerfile

Dockerfile

@@ -69,9 +69,9 @@ RUN sed -i 's/Defaults !requiretty/Defaults requiretty/' /etc/sudoers && \
 #    sudo ufw allow 2222/tcp
 
 # Generate SSH keys
-RUN ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N "" && \
-    ssh-keygen -t ecdsa -b 256 -f /etc/ssh/ssh_host_ecdsa_key -N "" && \
-    ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N ""
+RUN ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N ""  -y && \
+    ssh-keygen -t ecdsa -b 256 -f /etc/ssh/ssh_host_ecdsa_key -N "" -y && \
+    ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N "" -y
 
 #RUN ssh-keygen -q -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N "" -y && \
 #    ssh-keygen -q -t ecdsa -b 256 -f /etc/ssh/ssh_host_ecdsa_key -N "" -y && \