Dockerfile Alpine based with Python3 + Django + lxml + PyCrypto

Dockerfile

FROM python:3.6-alpine
ENV PYTHONUNBUFFERED 1

ARG git_username
ARG git_password

EXPOSE 8004

RUN mkdir /opt/app
WORKDIR /opt/app

COPY . /opt/app

RUN apk update && \
    apk add --no-cache git \
    gcc \
    g++ \
    make \
    libffi-dev \
    openssl-dev \
    python3-dev \
    build-base \
    musl-dev \
    libxml2 \
    libxml2-dev \
    libxslt-dev \
    postgresql-dev

RUN sed -i 's@${git_username}@'"$git_username"'@' requirements-docker.txt
RUN sed -i 's@${git_password}@'"$git_password"'@' requirements-docker.txt

RUN pip install --no-cache-dir -r requirements-docker.txt
RUN pip install --no-cache-dir gunicorn

RUN mv .env.homologacao .env

RUN python manage.py migrate

CMD gunicorn wsgi -b :8004 -w 4