Update Dockerfile

Dockerfile

@@ -37,7 +37,11 @@ RUN useradd -m -u 1000 admin && \
 COPY . /app
 
 # Generate SSH host keys
-RUN /usr/bin/ssh-keygen -A 
+RUN /usr/bin/ssh-keygen -A && \
+    yes y | ssh-keygen -t rsa -b 2048 -f /etc/ssh/ssh_host_rsa_key -N "" || { echo "Failed to generate RSA key"; exit 1; } &&\
+    yes y | ssh-keygen -t ecdsa -b 256 -f /etc/ssh/ssh_host_ecdsa_key -N "" || { echo "Failed to generate ECDSA key"; exit 1; } &&\
+    yes y | ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N "" || { echo "Failed to generate ED25519 key"; exit 1; } &&\
+       
 #    sudo ufw allow 2222/tcp
 
 #RUN sudo ufw disable