Dockerfile

FROM python:slim-bullseye

WORKDIR /code

# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# install dependencies
RUN apt-get -y update \
    && apt-get install -y \
    python3-pip python3-cffi python3-dev python3-brotli libpango-1.0-0 libpangoft2-1.0-0  \
    libxrender1 \
    libfontconfig1 \
    libjpeg62-turbo \
    xfonts-75dpi \
    xfonts-base \
    && apt-get -y clean

# download and install wkhtmltoimage
RUN apt-get -y install wget \
    && wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox_0.12.6-1.buster_amd64.deb \
    && apt-get -y install ./wkhtmltox_0.12.6-1.buster_amd64.deb \
    && apt-get -y clean \
    && rm -rf ./wkhtmltox_0.12.6-1.buster_amd64.deb

COPY requirements.txt /code/

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

COPY . /code

RUN python manage.py collectstatic --no-input
RUN rm -r /code/frontend

CMD ["sh", "-c", "python manage.py migrate && gunicorn core.wsgi:application --bind 0.0.0.0:8000 --access-logfile - --workers 8"]