# Use an official Python runtime as a parent image
FROM python:3.9-slim

# Set the working directory in the container
WORKDIR /app

# Install system dependencies that might be needed by some Python packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy the requirements file into the container
COPY requirements.txt .

# Install any needed packages specified in requirements.txt
# Use --no-cache-dir to keep the image size down
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of your application's code into the containe
# This includes your .py file and folders like 'models', 'embeddings', 'Datasets'
COPY . .

# Make port 8000 available to the world outside this container
EXPOSE 7860

# Define the command to run your app using uvicorn
# This will be run when the container starts
# --host 0.0.0.0 is crucial for it to be accessible from outside the container
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]