Update Dockerfile

Dockerfile

@@ -1,40 +1,38 @@
-# ----------  build-stage 1: Python backend  ----------
-FROM python:3.11-slim AS backend-builder
+# ----------  build backend  ----------
+FROM python:3.10-slim AS backend
 WORKDIR /opt/udr
-
-# Скопировать backend-код и зависимости
 COPY backend/requirements.txt backend/
 RUN pip install --no-cache-dir -r backend/requirements.txt
-
 COPY backend/ backend/
 
-# ----------  build-stage 2: Node frontend  ----------
-FROM node:20-alpine AS frontend-builder
+# ----------  build frontend  ----------
+FROM node:18-alpine AS frontend
 WORKDIR /opt/udr/frontend
-COPY frontend/package.json frontend/package-lock.json ./
+COPY frontend/package*.json ./
 RUN npm ci
 COPY frontend/ ./
-RUN npm run build     # генерирует /.next статические файлы
+RUN npm run build          # создает /.next
 
-# ----------  final image: объединяем всё  ----------
-FROM python:3.11-slim
+# ----------  final image  ----------
+FROM python:3.10-slim
 WORKDIR /opt/udr
 
-# --- системные пакеты ---
-RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
+# файлы из двух предыдущих стадий
+COPY --from=backend /usr/local /usr/local
+COPY --from=backend /opt/udr/backend /opt/udr/backend
+COPY --from=frontend /opt/udr/frontend/.next /opt/udr/frontend/.next
+COPY --from=frontend /opt/udr/frontend/public /opt/udr/frontend/public
 
-# --- скопировать backend (из builder) ---
-COPY --from=backend-builder /usr/local/lib/python3.11 /usr/local/lib/python3.11
-COPY --from=backend-builder /opt/udr/backend /opt/udr/backend
+# корневые питон-модули (важно!)
+COPY items.py scan_research*.py clients.py config.py /opt/udr/
 
-# --- скопировать статический фронт ---
-COPY --from=frontend-builder /opt/udr/frontend/.next /opt/udr/frontend/.next
-COPY --from=frontend-builder /opt/udr/frontend/public /opt/udr/frontend/public
-ENV NEXT_PUBLIC_BACKEND_URL=/api
-
-# ----------  запуск ----------
+# окружение
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONPATH=/opt/udr
+ENV NEXT_PUBLIC_BACKEND_BASE_URL=/api
+ENV NEXT_PUBLIC_BACKEND_PORT=7860
+
 EXPOSE 7860
-CMD ["python", "-m", "uvicorn", "backend.main:app", \
-     "--host", "0.0.0.0", "--port", "7860", "--proxy-headers", "--root-path", "/api"]
+CMD ["python","-m","uvicorn","backend.main:app",
+     "--host","0.0.0.0","--port","7860",
+     "--proxy-headers","--root-path","/api"]