Dockerfile

# Use Python 3.10 slim image as base
FROM python:3.10-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV DEBIAN_FRONTEND=noninteractive

# Set work directory
WORKDIR /app

# Install system dependencies (based on setup_box.sh)
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        git \
        postgresql-client \
        libpq-dev \
        libxml2-dev \
        libxslt1-dev \
        zlib1g-dev \
        build-essential \
        libssl-dev \
        libffi-dev \
        curl \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY requirements.txt /app/
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r requirements.txt

# Copy project
COPY . /app/

# Create directories for static files and media
RUN mkdir -p /app/staticfiles /app/media

# Expose port
EXPOSE 8000

# Default command (will be overridden by docker-compose)
CMD ["python", "rexchain/manage.py", "runserver", "0.0.0.0:8000"]