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POUsing CherryPy/Cherryd to launch multiple Flask instances
 

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  1. POUsing CherryPy/Cherryd to launch multiple Flask instances
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    <p>Per suggestions on SO/SF and other sites, I am using CherryPy as the WSGI server to launch multiple instances of a Python web server I built with Flask. Each instance runs on its own port and sits behind Nginx. I should note that the below does work for me, but I'm troubled that I have gone about things the wrong way and it works "by accident".</p> <p>Here is my current cherrypy.conf file:</p> <pre><code>[global] server.socket_host = '0.0.0.0' server.socket_port = 8891 request.dispatch: cherrypy.dispatch.MethodDispatcher() tree.mount = {'/':my_flask_server.app} </code></pre> <p>Without diving too far into my Flask server, here's how it starts:</p> <pre><code>import flask app = flask.Flask(__name__) @app.route('/') def hello_world(): return "hello" </code></pre> <p>And here is the command I issue on the command line to launch with Cherryd:</p> <pre><code>cherryd -c cherrypy.conf -i my_flask_server </code></pre> <p><strong>Questions are:</strong></p> <ol> <li><p>Is wrapping Flask inside CherryPy still the preferred method of using Flask in production? <a href="https://stackoverflow.com/questions/4884541/cherrypy-vs-flask-werkzeug">https://stackoverflow.com/questions/4884541/cherrypy-vs-flask-werkzeug</a></p></li> <li><p>Is this the proper way to use a .conf file to launch CherryPy and import the Flask app? I have scoured the CherryPy documentation, but I cannot find any use cases that match what I am trying to do here specifically.</p></li> <li><p>Is the proper way to launch multiple CherryPy/Flask instances on a single machine to execute multiple cherryd commands (daemonizing with -d, etc) with unique .conf files for each port to be used (8891, 8892, etc)? Or is there a better "CherryPy" way to accomplish this?</p></li> </ol> <p>Thanks for any help and insight.</p>
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