feat: open source multi-user AI notebook with observability

Dockerfile

@@ -0,0 +1,27 @@
+FROM node:22-alpine AS frontend
+WORKDIR /build/frontend
+COPY frontend/package*.json ./
+RUN npm install --no-audit --no-fund
+COPY frontend/ ./
+RUN npm run build
+
+FROM python:3.12-slim AS runtime
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    DATA_DIR=/app/data \
+    USERS_FILE=/run/secrets/users.json \
+    SESSION_SECRET_FILE=/run/secrets/session_secret \
+    DEEPSEEK_API_KEY_FILE=/run/secrets/deepseek_api_key \
+    COOKIE_SECURE=true
+WORKDIR /app
+RUN addgroup --system note && adduser --system --ingroup note note
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+COPY app ./app
+COPY --from=frontend /build/app/static ./app/static
+RUN mkdir -p /app/data && chown -R note:note /app
+USER note
+EXPOSE 8000
+HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
+  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health', timeout=3)"
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--proxy-headers", "--forwarded-allow-ips", "*"]