Dockerfile

# Build React frontend
FROM node:20-slim AS frontend-build

WORKDIR /app/frontend
COPY frontend/package*.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

# Python backend
FROM python:3.11-slim

WORKDIR /app/backend

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

COPY backend/ ./

# Copy built frontend into backend/static/ (served by FastAPI)
COPY --from=frontend-build /app/frontend/dist ./static/

# Logs directory (ephemeral — resets on container restart)
RUN mkdir -p logs

EXPOSE 7860

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]