FROM python:3.7-slim WORKDIR /app COPY Pipfile Pipfile.lock /app/ RUN set -xe \ && pip install pipenv \ && apt-get update -q \ && apt-get install -y -q \ gcc python3-dev libssl-dev \ curl postgresql-client git-core \ gunicorn3 postgresql-client \ && pipenv install --dev \ && apt-get remove -y gcc python3-dev libssl-dev \ && apt-get autoremove -y \ && apt-get clean -y \ && rm -rf /var/lib/apt/lists/* \ && useradd _gunicorn --no-create-home --user-group COPY . /app/ WORKDIR /app