Switch to UWSGI and improve Docker definitions

docker/Dockerfile

@@ -1,18 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM python:3
-
-RUN useradd -d /code pathogen
-RUN mkdir /code
-RUN chown pathogen:pathogen /code
-
-RUN mkdir /venv
-RUN chown pathogen:pathogen /venv
-
-USER pathogen
-ENV PYTHONDONTWRITEBYTECODE=1
-ENV PYTHONUNBUFFERED=1
-WORKDIR /code
-COPY requirements.dev.txt /code/
-RUN python -m venv /venv
-RUN . /venv/bin/activate && pip install -r requirements.dev.txt
-CMD . /venv/bin/activate && exec python manage.py runserver 0.0.0.0:8000