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  <text x="60" y="64" class="t h">bind mount 和 Volume 的核心差异</text>
  <text x="60" y="102" class="t s">一个直连宿主机路径，一个由 Docker 托管数据目录</text>
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  <text x="105" y="515" class="t small">适合开发调试、配置注入</text>
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  <text x="715" y="455" class="t small">数据对象由 Docker 管理</text>
  <text x="715" y="485" class="t small">更适合持久化与迁移</text>
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