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Docker の volume でホストと共有したファイル(ディレクトリ)にコンテナからアクセスできないときは

Posted at

パーミッションを変えても、オーナーやグループを変えてもどうしてもアクセスできない(Permission denied)……とお困りのあなた。

ホスト側の SELinux が原因だったりします。ここで短絡的に setenforce 0 する前に。

ボリュームの共有オプションに :z を付けると幸せになれるかもしれません。

$ docker run -v /host:/container:z ...
docker-compose.yml
---
version: '2'

services:
  some_data_volume_container:
    image: busybox
    volumes:
      - /host:/container:z

詳しくはDocker のマニュアルを読んでみてください。

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