# The Google App Engine python runtime is Debian Jessie with Python installed

# and various os-level packages to allow installation of popular Python

# libraries. The source is on github at:

# https://github.com/GoogleCloudPlatform/python-docker

FROM gcr.io/google_appengine/python

# Create a virtualenv for the application dependencies.

# If you want to use Python 3, add the -p python3.4 flag.

RUN virtualenv /env

# Set virtualenv environment variables. This is equivalent to running

# source /env/bin/activate. This ensures the application is executed within

# the context of the virtualenv and will have access to its dependencies.

ENV VIRTUAL_ENV /env

ENV PATH /env/bin:$PATH

# Install dependencies.

ADD requirements.txt /app/requirements.txt

RUN pip install -r /app/requirements.txt

# Add application code.

ADD . /app

# Instead of using gunicorn directly, we'll use Honcho. Honcho is a python port

# of the Foreman process manager. $PROCESSES is set in the pod manifest

# to control which processes Honcho will start.

CMD honcho start -f /app/procfile $PROCESSES