Update SSH port from 22 to 2222 in Dockerfile, entrypoint, and Kubernetes configurations

entrypoint.sh

@@ -10,6 +10,12 @@ WEBSSH2_PID=""
 NGINX_PID=""
 BOOTSTRAP_KUBECONFIG="${BOOTSTRAP_KUBECONFIG:-/bootstrap/kubeconfig/config}"
 ENABLE_BOOTSTRAP_KUBECONFIG="${ENABLE_BOOTSTRAP_KUBECONFIG:-false}"
+SSH_PORT="${SSH_PORT:-2222}"
+
+if [[ -z "${WEBSSH2_SSH_PORT:-}" ]]; then
+  WEBSSH2_SSH_PORT="${SSH_PORT}"
+fi
+export WEBSSH2_SSH_PORT
 
 ensure_host_keys() {
   if [[ ! -f "${STATE_DIR}/ssh_host_rsa_key" ]]; then
@@ -187,6 +193,7 @@ render_sshd_auth_config() {
   fi
 
   cat > "${SSH_DYNAMIC_CONFIG}" <<EOF
+Port ${SSH_PORT}
 PasswordAuthentication ${password_value}
 KbdInteractiveAuthentication ${keyboard_interactive_value}
 EOF
@@ -212,7 +219,7 @@ start_services() {
   nginx -g 'daemon off;' &
   NGINX_PID=$!
 
-  log "sshd started on port 22."
+  log "sshd started on port ${SSH_PORT}."
   log "WebSSH2 started on port ${WEBSSH2_LISTEN_PORT}."
   log "nginx redirect/proxy started on port ${WEB_SSH_PORT}."