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---
title: "Docker Volume"
type: concept
tags: [docker, volume, storage, persistence]
last_updated: 2026-04-17
---
## Definition
Docker Volume数据卷是 Docker 容器持久化数据的机制,允许容器在重启后保留数据。
## Use Cases
- 数据库数据持久化
- 应用配置存储
- 日志存储
## Commands
```bash
# 查看卷
docker volume ls
# 删除卷
docker volume rm <volume_name>
# 删除未使用的卷
docker volume prune
```
## Connections
- [[Docker Volume]] ← used_by ← [[Portainer]]
- [[Docker]] ← manages ← [[Docker Volume]]