Dockerfile

# Pull official base image
FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# Install system dependencies (needed for Postgres and Celery)
RUN apt-get update \
    && apt-get install -y --no-install-recommends gcc libpq-dev netcat-openbsd \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Install python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip
RUN pip install -r requirements.txt

# Copy project
COPY . .

# Run the application
# (This command is overridden by docker-compose, but good as a default)
CMD ["gunicorn", "config.wsgi:application", "--bind", "0.0.0.0:8000"]