Remove cascade for now; add Docker/CI and README fix list.

Co-authored-by: Cursor <cursoragent@cursor.com>

Dockerfile

@@ -1,16 +1,26 @@
 # syntax=docker/dockerfile:1
 
-FROM python:3.14-slim
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    APP_PORT=5000 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1
 
 WORKDIR /app
 
-# Копируем requirements.txt и устанавливаем зависимости
-COPY requirements.txt requirements.txt
-RUN pip3 install --no-cache-dir -r requirements.txt
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends curl \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Копируем остальные файлы проекта
 COPY . .
 
+EXPOSE 5000
 
-# Команда запуска приложения
-CMD ["python3", "app.py"]
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+  CMD curl -fsS "http://127.0.0.1:${APP_PORT}/docs" >/dev/null || exit 1
+
+CMD ["python3", "app.py"]