| # Use an official lightweight Python image. | |
| # We use python:3.11-slim because it's small but fully featured for scientific libraries. | |
| FROM python:3.11-slim | |
| # Set working directory | |
| WORKDIR /app | |
| # Install system dependencies required for compiling some scientific packages (e.g., C compiler for transitleastsquares) | |
| RUN apt-get update && apt-get install -y \ | |
| build-essential \ | |
| gcc \ | |
| libgomp1 \ | |
| && rm -rf /var/lib/apt/lists/* | |
| # Create a non-root user (Hugging Face Spaces requires this for security) | |
| RUN useradd -m -u 1000 user | |
| USER user | |
| ENV HOME=/home/user \ | |
| PATH=/home/user/.local/bin:$PATH | |
| WORKDIR $HOME/app | |
| # Copy the requirements file into the container | |
| COPY --chown=user requirements.txt . | |
| # Install dependencies | |
| RUN pip install --no-cache-dir --upgrade pip && \ | |
| pip install --no-cache-dir -r requirements.txt | |
| # Copy the rest of the backend application code | |
| COPY --chown=user . . | |
| # Hugging Face Spaces exposes port 7860 by default | |
| EXPOSE 7860 | |
| # Command to run the FastAPI application using Uvicorn | |
| CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"] | |