FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    GRADIO_SERVER_NAME=0.0.0.0 \
    MPLCONFIGDIR=/tmp/matplotlib

WORKDIR /home/user/app

# OSパッケージ（packages.txt 内のコメント/空行を無視してインストール）
COPY packages.txt /tmp/packages.txt
RUN set -eux; \
    apt-get update; \
    awk '!/^\s*($|#)/{print $1}' /tmp/packages.txt | xargs -r apt-get install -y; \
    rm -rf /var/lib/apt/lists/*

# Python 依存
COPY requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir -U pip && \
    pip install --no-cache-dir -r /tmp/requirements.txt

# アプリ本体
COPY . /home/user/app

EXPOSE 7860
CMD ["python", "-m", "ui.ui_app"]