Initial commit: VPN Control Panel

- FastAPI REST API with JWT auth
- aiogram 3 Telegram bot with admin middleware
- APScheduler daily tasks (expiry, reminders, revoke, sync)
- SQLAlchemy 2 async ORM with Alembic migrations
- Jinja2 admin panel (Dashboard, Users, Payments, Servers, Tariffs)
- VPN provider abstraction with MockProvider
- Stats service with revenue/subscription analytics
- Docker Compose (PostgreSQL + Redis + app)
- Healthcheck endpoint

docker/Dockerfile

@@ -0,0 +1,28 @@
+FROM python:3.13-slim AS builder
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir --user -r requirements.txt
+
+FROM python:3.13-slim
+
+RUN apt-get update && apt-get install -y --no-install-recommends curl \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+COPY --from=builder /root/.local /root/.local
+
+ENV PATH=/root/.local/bin:$PATH \
+    PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+COPY . .
+
+RUN chmod +x docker/entrypoint.sh
+
+HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=15s \
+    CMD curl -f http://localhost:8000/health || exit 1
+
+ENTRYPOINT ["docker/entrypoint.sh"]