[PYTHON] Touch Flask + run with Heroku

brew install pyenv
brew install pyenv-virtualenv

$ pyenv install -l | grep 2.7
  2.7
  2.7-dev
  2.7.1
  2.7.2
  2.7.3
  2.7.4
  2.7.5
  2.7.6
  2.7.7
  ironpython-2.7.4
  jython-2.7-beta1
  jython-2.7-beta2
  stackless-2.7-dev
  stackless-2.7.2
  stackless-2.7.3
  stackless-2.7.4
  stackless-2.7.5
  stackless-2.7.6

pyenv install 2.7.7

$ pyenv shell 2.7.7
$ python --version
Python 2.7.7

cd path/to/proj
virtualenv venv27

source venv27/bin/activate

pip install Flask

$ pip list
Flask (0.10.1)
itsdangerous (0.24)
Jinja2 (2.7.3)
MarkupSafe (0.23)
pip (1.5.6)
setuptools (3.6)
Werkzeug (0.9.6)
wsgiref (0.1.2)

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello World!'

if __name__ == '__main__':
    app.run()

$ python hello.py
 * Running on http://127.0.0.1:5000/

pip install gunicorn

$ pip list
Flask (0.10.1)
gunicorn (19.1.1)
itsdangerous (0.24)
Jinja2 (2.7.3)
MarkupSafe (0.23)
pip (1.5.6)
setuptools (3.6)
Werkzeug (0.9.6)
wsgiref (0.1.2)

web: gunicorn hello:app --log-file -

pip freeze > requirements.txt

*.pyc
*.pyo
venv27

git add .
git commit -m 'Hello World!'
git push origin master

heroku login
heroku create
git push heroku master

heroku scale web=1

heroku open

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