feat: daemon mode with named socket, scripts/run for IP:PORT

spine.el

@@ -21,6 +21,10 @@
 
 (defvar spine-port 8080
   "Port for the Spine HTTP server.")
+(defvar spine-host nil
+  "Host for the Spine HTTP server.
+nil means localhost only. Set to a string like \"0.0.0.0\" to listen on
+all interfaces.")
 
 (defvar spine-template-dir
   (expand-file-name "templates/"
@@ -47,10 +51,11 @@ Returns the rendered string."
                 ("message" "Hello from Emacs.")))))
 
 ;; --- start ------------------------------------------------------------
-
+(setq httpd-host spine-host)
 (setq httpd-port spine-port)
 (httpd-start)
-(message "Spine listening on http://localhost:%d" spine-port)
+(message "Spine listening on http://%s:%d"
+         (or spine-host "localhost") spine-port)
 
 (provide 'spine)
 ;;; spine.el ends here