Dockerfile
FROM python:3.7-alpine
MAINTAINER J2mF
ENV PYTHONUNBUFFERED 1
ENV PYTHONDONTWRITEBYTECODE 1
RUN mkdir /app
COPY ./requirements.txt /requirements.txt
RUN apk add --update --no-cache postgresql-client
RUN apk add --update --no-cache --virtual .tmp-build-deps \
gcc libc-dev linux-headers postgresql-dev
RUN pip install -r /requirements.txt
RUN apk del .tmp-build-deps
WORKDIR /app
COPY ./app /app
RUN adduser -D user
USER user