Dockerfile

# Build frontend (React + Vite + Tailwind)
FROM node:20-alpine AS frontend
WORKDIR /ui
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci --silent
COPY frontend ./
RUN npm run build

# Backend image
FROM python:3.11-slim
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
WORKDIR /app
RUN apt-get update && apt-get install -y --no-install-recommends curl ca-certificates git && rm -rf /var/lib/apt/lists/*
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt
COPY backend ./backend
COPY app.py Procfile .env.example ./
# Bring built frontend
COPY --from=frontend /ui/dist ./frontend_dist
EXPOSE 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]