FROM python:3.10-slim

# Install supervisor, our process manager
RUN apt-get update && \
    apt-get install -y supervisor && \
    rm -rf /var/lib/apt/lists/*

# Set the working directory
WORKDIR /app

# Copy the single requirements file
COPY requirements.txt requirements.txt

# Install all Python dependencies in one step
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY . /app

# Copy the supervisor configuration file
COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf

# Expose the ports for FastAPI (8000) and Streamlit (7860)
EXPOSE 8000
EXPOSE 7860

# The main command to start the supervisor, which launches both services
CMD ["supervisord", "-n"]