FROM python:3.6# Edit with mysql-client, postgresql-client, sqlite3, etc. for your needs.# Or delete entirely if not needed.RUN apt-get update \ && apt-get install -y --no-install-recommends \ postgresql-client \ && rm -rf /var/lib/apt/lists/*WORKDIR /usr/src/appCOPY requirements.txt /usr/src/app/RUN pip install --no-cache-dir -r requirements.txtCOPY . /usr/src/app# For DjangoEXPOSE 8000CMD ["python", "manage.py", "runserver", "0.0.0.0:8000"]# For some other command# CMD ["python", "app.py"]