FROM python:3.6-slim-stretch as build COPY ./passbook/ /app/passbook COPY ./manage.py /app/ COPY ./requirements.txt /app/ WORKDIR /app/ RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev -y && \ mkdir /app/static/ && \ pip install -r requirements.txt && \ pip install psycopg2 && \ ./manage.py collectstatic --no-input && \ apt-get remove --purge -y build-essential && \ apt-get autoremove --purge -y FROM python:3.6-slim-stretch COPY ./passbook/ /app/passbook COPY ./manage.py /app/ COPY ./requirements.txt /app/ COPY --from=build /app/static /app/static/ WORKDIR /app/ RUN apt-get update && apt-get install build-essential libssl-dev libffi-dev -y && \ pip install -r requirements.txt && \ pip install psycopg2 && \ adduser --system --home /app/ passbook && \ chown -R passbook /app/ && \ apt-get remove --purge -y build-essential && \ apt-get autoremove --purge -y USER passbook