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FROM python:2.7-alpine3.6

RUN apk --no-cache add --virtual .myapp-build-deps \
    linux-headers \
    build-base \
    musl-dev \
    python-dev \
    libpq \
    pcre-dev \
    git \
    openssh

# for pip install from git repos.
COPY ./myapp-deploy.pem /root/.ssh/id_rsa
RUN chmod 400 /root/.ssh/id_rsa
RUN /bin/echo -e "Host *\n\tStrictHostKeyChecking no" >> /root/.ssh/config

COPY ./requirements.txt /tmp/myapp.requirements.txt
RUN pip install --no-cache-dir -r /tmp/myapp.requirements.txt

# RUN apk del .myapp-build-deps

# Web app source code
COPY . /usr/share/myapp
WORKDIR /usr/share/myapp

ENV APP_ENV=prod

ENV FLASK_APP=myapp/application.py

CMD [ \
    "gunicorn", \
    "--bind=0.0.0.0:8000", \
    "--worker-class=gthread", \
    "--workers=5", \
    "--threads=6", \
    "--access-logfile=-", \
    "myapp.application:app" \
]