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wiki/concepts/Docker-TAR-Archive.md
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wiki/concepts/Docker-TAR-Archive.md
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# Docker TAR Archive
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## Definition
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Docker TAR Archive (`.tar`) 是 Docker 镜像的离线分发格式,通过 `docker save` 命令将镜像及其所有层打包成单个 TAR 文件。
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## Source References
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- [[sources/如何传输Docker-images-并且在另一个Docker安装.md]]
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## Related Concepts
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- [[concepts/Docker-Image.md]] — TAR 文件中包含的 Docker 镜像
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## Usage
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### 打包镜像
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```bash
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docker save -o <output.tar> <image_name>:<tag>
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```
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### 导入镜像
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```bash
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docker load < <input.tar>
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```
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## 适用场景
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- **离线环境**:无法访问 Docker Hub 的私有网络
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- **跨设备迁移**:在不同 Docker 环境之间传输镜像
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- **备份恢复**:保存镜像的离线副本
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## 标签
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#docker #offline #migration
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