Added multiprocessing

docs/deploying.md

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+# Deploying
+
+When it comes to deploying Sanic, there's not much to it, but there are
+a few things to take note of.
+
+## Workers
+
+By default, Sanic listens in the main process using only 1 CPU core.
+To crank up the juice, just specify the number of workers in the run
+arguments like so:
+
+```python
+app.run(host='0.0.0.0', port=1337, workers=4)
+```
+
+Sanic will automatically spin up multiple processes and route
+traffic between them.  We recommend as many workers as you have
+available cores.
+
+## Running via Command
+
+If you like using command line arguments, you can launch a sanic server
+by executing the module.  For example, if you initialized sanic as
+app in a file named server.py, you could run the server like so:
+
+`python -m sanic server.app --host=0.0.0.0 --port=1337 --workers=4`
+
+With this way of running sanic, it is not necessary to run app.run in
+your python file.  If you do, just make sure you wrap it in name == main
+like so:
+
+```python
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port=1337, workers=4)
+```