【wsl2】docker build時にapt-get updateすると「W: Failed to fetch http://deb.debian.org/debian/dists/buster/InRelease Temporary failure resolving ‘deb.debian.org’」とエラーが出る

エラー内容

W: Failed to fetch http://deb.debian.org/debian/dists/buster/InRelease  Temporary failure resolving 'deb.debian.org'
W: Failed to fetch http://security.debian.org/debian-security/dists/buster/updates/InRelease  Temporary failure resolving 'security.debian.org'
W: Failed to fetch http://deb.debian.org/debian/dists/buster-updates/InRelease  Temporary failure resolving 'deb.debian.org'
W: Some index files failed to download. They have been ignored, or old ones used instead.

wsl.confを作り、resolev.confを整える

 yuta  ~  sudo cat /etc/resolv.conf
nameserver 8.8.8.8
nameserver 8.8.4.4
 yuta  ~  sudo cat /etc/wsl.conf
[network]
generateResolvConf = false
 yuta  ~ 