feat: 完善芽说英语品牌Logo与图标配置，完成跨平台云端同步服务开发与自动化部署

sync_server/Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application source
+COPY main.py .
+
+# Storage volume
+VOLUME ["/data"]
+
+EXPOSE 8080
+
+# Run with uvicorn
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8080", "--workers", "2"]