Dockerfile

# Use Python 3.11 which has better compatibility with most packages
FROM python:3.11-slim-bookworm

# Add user
RUN useradd -m -u 1000 user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

# Set working directory
WORKDIR $HOME/app

# Copy requirements first to leverage Docker cache
COPY --chown=user requirements.txt .

# Install pip and dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application
COPY --chown=user . .

# Expose the port
EXPOSE 7860

# Run the app
CMD ["streamlit", "run", "--server.address", "0.0.0.0", "--server.port", "7860", "Chatbot.py"]