Update Dockerfile

Dockerfile

@@ -40,7 +40,9 @@ COPY . /app
 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; } 
+    yes y | ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N "" || { echo "Failed to generate ED25519 key"; exit 1; } && \
+    ssh-keyscan -p 2222 127.0.0.1 >> /etc/ssh/ssh_known_hosts && \
+    ssh-copy-id -i ~/.ssh/id_rsa.pub -p 2222 admin@localhost
        
 #    sudo ufw allow 2222/tcp