FROM python:3.10-slim

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

ENV GRADIO_SERVER_NAME=0.0.0.0
ENV GRADIO_SERVER_PORT=7860

# System deps: R + compilers + common R pkg build deps (+ BLAS/LAPACK for glmnet)
RUN apt-get update && apt-get install -y --no-install-recommends \
    r-base \
    r-base-dev \
    build-essential \
    gfortran \
    curl \
    git \
    libcurl4-openssl-dev \
    libssl-dev \
    libxml2-dev \
    libopenblas-dev \
    liblapack-dev \
    && rm -rf /var/lib/apt/lists/*

# Install required R packages (include glmnet + pROC + Matrix)
RUN R -e "options(repos=c(CRAN='https://cloud.r-project.org')); install.packages(c('jsonlite','Matrix','pROC','glmnet'), Ncpus=max(1, parallel::detectCores()-1))"

WORKDIR /app
COPY . /app

# Python deps (from requirements.txt)
RUN pip install --no-cache-dir -r requirements.txt

# Notebook execution deps
RUN pip install --no-cache-dir notebook ipykernel papermill

# Optional: only keep these if you truly need them (you probably don't)
# RUN pip install --no-cache-dir textblob faker transformers

RUN python -m ipykernel install --user --name python3 --display-name "Python 3"

# R deps for notebook execution via papermill (IRkernel)
RUN R -e "options(repos=c(CRAN='https://cloud.r-project.org')); install.packages('IRkernel')"
RUN R -e "IRkernel::installspec(user = FALSE)"

EXPOSE 7860
CMD ["python", "-u", "app.py"]