Добавлен non-root Dockerfile backend

backend/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.12-slim
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt \
+    && groupadd --system panel \
+    && useradd --system --gid panel --home-dir /app panel
+
+COPY app ./app
+RUN chown -R panel:panel /app
+USER panel
+
+EXPOSE 8000
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]