Run gunicorn for a Python app on dotCloud using a custom service.

build.sh

#!/bin/bash

cd $SERVICE_APPROOT

[ -d ~/env ] ||
    virtualenv --python=python2.7 ~/env || exit 1
. ~/env/bin/activate

[ -f requirements.txt ] &&
    pip install --download-cache=~/.pip-cache -r requirements.txt || exit 1

cp -R * ~/

cat > ~/profile << ENDPROFILE
. ~/env/bin/activate
export PYTHONPATH=~/
ENDPROFILE

dotcloud.yml

api:
    type: custom
    buildscript: ./build.sh
    processes:
# If you don't need websocket, remove the `-k' option and its argument.
        api: gunicorn -b 0.0.0.0:$PORT_WWW -w 8 -k geventwebsocket.gunicorn.workers.GeventWebSocketWorker wsgi:app
    ports:
        www: http

requirements.txt

gunicorn
gevent-websocket