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WSL2でDocker buildをすると止まる問題("docker-credential-desktop.exe": executable file not found in $PATH, out: ``)

Last updated at Posted at 2021-02-24

はじめに

Docker build -f ./Dockerfile -t ~~ . をしていて,エラーで止まって色々ググった結果を載せておきます.
初心者なりの試行錯誤なので的外れ感ありますが,優しくみてください.
やるまえに参考文献の方をみてからやることをお勧めします.

環境

  • cpu : Intel Core i9 9900k
  • gpu : Nvidia RTX2080 Super
  • ram : 32GB
  • Docker Desktop使用

エラー文

Ubuntu18.04のビルドをしたかった.

~~~@MyComputer:~/dock$ docker build -f ./Dockerfile -t ubuntu .
[+] Building 0.8s (3/3) FINISHED                                                                                                                                                                                  
 => [internal] load build definition from Dockerfile                                                                                                                                                         0.0s
 => => transferring dockerfile: 1.53kB                                                                                                                                                                       0.0s
 => [internal] load .dockerignore                                                                                                                                                                            0.0s
 => => transferring context: 2B                                                                                                                                                                              0.0s
 => ERROR [internal] load metadata for docker.io/library/ubuntu:18.04                                                                                                                                        0.8s
------
 > [internal] load metadata for docker.io/library/ubuntu:18.04:
------
failed to solve with frontend dockerfile.v0: failed to create LLB definition: rpc error: code = Unknown desc = error getting credentials - err: exec: "docker-credential-desktop.exe": executable file not found in $PATH, out: ``

なにこれ.

解決

.dockerのディレクトリにconfig.jsonがあると思います.

~~@MyComputer:~/.docker$ ls
config.json  contexts  run  scan

ありましたね.
config.jsonの中身をみると,

{
  "credsStore": "desktop.exe"
}

とだけあると思います.
サイトをみる感じだと,

{
  "credStore": "desktop.exe"
}

credsStoreからcredStoreへsを消すと動くらしい.

~~@MyComputer:~/dock$ docker build -f ./Dockerfile -t ubuntu .
[+] Building 148.7s (25/25) FINISHED     

動いちゃった.
なんでこうやると動くんでしょうか.
また,何かあったら追加しておきます.

参考文献

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