Dockerfile

# ==============================================================================
# Dockerfile for the Python/FastAPI Backend (Corrected)
# ==============================================================================
# Use an official Python runtime as a parent image
FROM python:3.10-slim

# Set the working directory in the container
WORKDIR /app

# --- Environment Variables ---
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

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

# --- Copy Application Code and Model ---
COPY . .

# --- Expose Port and Run Application ---
EXPOSE 8000

# Command to run the application using python's module flag (-m)
# This is a more robust way to run uvicorn inside a container.
CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]