Dockerfile

# Use an official Python runtime as a parent image
FROM python:3.10.12

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    NAME=DocGPT

# Create a non-root user
RUN useradd -m -u 1000 appuser

# Set the working directory in the container
WORKDIR /app

# Create uploads directory and set permissions
RUN mkdir -p /app/data/uploads && \
    chown -R appuser:appuser /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application code
COPY --chown=appuser:appuser . .

# Switch to non-root user
USER appuser

# Make port 7860 available
EXPOSE 7860

# Run gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]