FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONIOENCODING=utf-8 \
    PIP_NO_CACHE_DIR=1 \
    TZ=Asia/Seoul

RUN apt-get update && apt-get install -y --no-install-recommends \
        tzdata curl \
    && ln -sf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install deps
COPY backend/requirements.txt /app/requirements.txt
RUN pip install --upgrade pip && pip install -r /app/requirements.txt

# 루트의 모든 .py 모듈 (users_db, settings_db, trades_db, exchange_keys,
# exchange_adapters, alert_state, core_logic) 그대로 복사
COPY *.py /app/

# FastAPI 앱
COPY backend/app /app/api

RUN mkdir -p /app/data
VOLUME ["/app/data"]

ENV SETTINGS_DB_PATH=/app/data/settings.db \
    PYTHONPATH=/app

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 \
    CMD curl -f http://127.0.0.1:8000/api/health || exit 1

CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]