docker

# Use Python 3.10 (Stable for LangChain & Flashrank)
FROM python:3.10-slim

# Set the working directory to /app
WORKDIR /app

# Install system dependencies (needed for compiling packages like flashrank)
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to cache dependencies
COPY requirements.txt .

# Install Python dependencies
# --no-cache-dir keeps the image size smaller
RUN pip install --no-cache-dir -r requirements.txt

# Copy all your code (app_1.py, src/, templates/, api.py) into the container
COPY . .

# Create writable directories for the database and file uploads
# The 'chmod -R 777' gives the container permission to write here
RUN mkdir -p /app/chroma_db && chmod -R 777 /app/chroma_db
RUN mkdir -p /app/Uploads && chmod -R 777 /app/Uploads

# Tell Docker that the container will listen on port 7860
EXPOSE 7860

# --- The Command to Run Your App ---
# We use Gunicorn, a production-grade server
# It looks for the 'app_1.py' file and the 'app' object inside it
# --timeout 300 gives your RAG system 5 minutes to respond before timing out
CMD ["gunicorn", "-b", "0.0.0.0:7860", "app_1:app", "--timeout", "300"]