FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV NSEDASH_BASE_DIR=/app
ENV PYTHONPATH=/app

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    chromium \
    chromium-driver \
    && rm -rf /var/lib/apt/lists/*

RUN ARCH=$(uname -m) && \
    if [ "$ARCH" = "x86_64" ]; then \
        WHL_URL="https://github.com/quantmew/talib-prebuilt/releases/download/v0.6.4/ta_lib-0.6.4-cp312-cp312-manylinux_2_28_x86_64.whl"; \
    elif [ "$ARCH" = "aarch64" ]; then \
        WHL_URL="https://github.com/quantmew/talib-prebuilt/releases/download/v0.6.4/ta_lib-0.6.4-cp312-cp312-manylinux_2_28_aarch64.whl"; \
    else \
        echo "Unsupported architecture: $ARCH" && exit 1; \
    fi && \
    pip install --no-cache-dir "$WHL_URL"

COPY requirements.txt /app/
RUN pip install --no-cache-dir -r requirements.txt

RUN useradd -m -u 1000 user && mkdir -p /app && chown -R user:user /app
ENV HOME=/home/user

COPY --chown=user . /app/
USER user

EXPOSE 7860
CMD ["python", "nsedash_start.py"]