backend/Dockerfile

FROM python:3.10.0-bullseye AS builder

# create user and group
RUN mkdir -p /home/app
RUN adduser app && adduser app app
WORKDIR /home/app

# install dependencies
RUN apt-get update && apt-get upgrade -y && \
    apt-get install -y postgresql gcc python3-dev \
	libgl1
	#musl-dev libxml2-dev libxslt-dev
COPY ./requirements.txt .
RUN python3 -m pip install --upgrade pip && \
	pip3 install -r requirements.txt && \
	pip3 install psycopg2==2.9.4 && \
	pip3 install gunicorn==20.1.0

COPY . .
RUN chown -R app:app /home/app

FROM builder AS backend
USER app
# run gunicorn
CMD ["gunicorn", "config.wsgi:application", "--bind", "0.0.0.0:8000"]

FROM builder AS worker

# install worker dependencies
RUN apt-get install -y texlive-xetex

# run celery worker
USER app
CMD ["celery", "-A", "config", "worker", "-l", "info"]

FROM builder AS websocket
# run daphne server
USER app
CMD ["daphne", "-b", "0.0.0.0", "-p", "8001", "config.asgi:application"]