# Multi-stage Dockerfile: build frontend, run FastAPI backend

FROM node:20-alpine AS frontend-builder
WORKDIR /app
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm ci --no-audit --no-fund || npm install --no-audit --no-fund
COPY frontend/ ./
RUN npm run build

FROM python:3.11-slim AS backend
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

# System deps (faiss-cpu needs libgomp1 on Debian)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgomp1 \
 && rm -rf /var/lib/apt/lists/*

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

# Copy application
COPY . /app

# Copy built frontend into expected path for static serving
RUN mkdir -p /app/frontend/dist
COPY --from=frontend-builder /app/dist /app/frontend/dist

EXPOSE 7860

# Hugging Face Spaces는 기본 PORT=7860을 사용합니다.
CMD ["sh", "-c", "uvicorn api_server:app --host 0.0.0.0 --port ${PORT:-7860}"]