# --- STAGE 1: Frontend Build ---
FROM node:18-alpine AS frontend-builder

WORKDIR /app

# Copy package files (package-lock.json* = optional wenn nicht vorhanden)
COPY package.json package-lock.json* ./

# Use npm install (npm ci braucht package-lock.json und würde sonst fehlschlagen)
RUN npm install

# Copy nur notwendige Dateien für Frontend-Build
COPY src ./src
COPY vite.config.js index.html ./

# Build React
RUN npm run build

# --- STAGE 2: Backend ---
FROM python:3.10-slim

WORKDIR /app

# Minimal system deps - optional wenn torch/numpy C-Extensions braucht:
# RUN apt-get update && apt-get install -y --no-install-recommends \
#     build-essential \
#     && rm -rf /var/lib/apt/lists/*

# Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Backend & Plugins
COPY app_fastapi.py ./app.py
COPY serve_frontend.py .
COPY plugins ./plugins/

# Built Frontend von Stage 1
COPY --from=frontend-builder /app/dist ./dist

EXPOSE 7860

# Start Backend
CMD ["python", "app.py"]