diff --git a/fabfile.py b/fabfile.py
new file mode 100644
index 0000000000000000000000000000000000000000..72d2170c3d553268b4a0cceab511070137861fdf
--- /dev/null
+++ b/fabfile.py
@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+# coding=utf-8
+
+"""
+deploy to prod
+"""
+
+from fabric.api import env, sudo, run, local, hosts, put, cd, lcd
+
+env.use_ssh_config = True
+
+
+SERVER = 'de01'
+
+
+def deploy():
+    with lcd("~/websites/rpn-calculator/"):
+        local("rsync -n -irt calc.html fifo.js fsm.js sw.js vendor/ favicon.ico"
+              " %s:/var/www/rpn.emacsos.com/" % (SERVER,))
+
+
+@hosts(SERVER)
+def init():
+    run("mkdir -p /var/www/rpn.emacsos.com/")
diff --git a/favicon.ico b/favicon.ico
new file mode 100644
index 0000000000000000000000000000000000000000..6702382d34f577cdbab297d76c2a8b0b638d0ab5
Binary files /dev/null and b/favicon.ico differ
diff --git a/operational b/operational
index 11e35dca1d2390afee14ebce9dda89de5c8e4a56..37eb64c18c3c5aa5b18a6308410c840165e4cc02 100644
--- a/operational
+++ b/operational
@@ -86,6 +86,17 @@ I prefer either native app or real website.
 - add link on www.emacsos.com.
 - write a blog post about it. techs used in the project. and source repo.
 
+- deploy notes
+  create ./fabfile.py
+  create ~/projects/salt/rpn-emacsos-com/init.sls
+  create ~/projects/salt/rpn-emacsos-com/cert.sls
+  create ~/projects/salt/rpn-emacsos-com/rpn.emacsos.com.conf
+
+  Can I reuse the same cert from www.emacsos.com? I need to regenerate cert.
+  No wildcard cert is not convenient.
+
+  TODO create SSL cert for rpn.emacsos.com
+
 ** 2017-01-28 add more content in about page.
 - fill in link for #TODO link in about page.
 - add LICENSE info and source code repo address in about overlay.