今天在docker 安裝完pbs後要更新出現以下的錯誤

Hit:1 http://deb.debian.org/debian bullseye InRelease

Hit:2 http://security.debian.org/debian-security bullseye-security InRelease

Hit:3 http://deb.debian.org/debian bullseye-updates InRelease

Get:4 http://download.proxmox.com/debian/pbs bullseye InRelease [3067 B]

Err:4 http://download.proxmox.com/debian/pbs bullseye InRelease

  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DD4BA3917E23BF59

Reading package lists... Done

W: GPG error: http://download.proxmox.com/debian/pbs bullseye InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY DD4BA3917E23BF59

E: The repository 'http://download.proxmox.com/debian/pbs bullseye InRelease' is not signed.

N: Updating from such a repository can't be done securely, and is therefore disabled by default.

N: See apt-secure(8) manpage for repository creation and user configuration details.

解決方法如下

wget https://enterprise.proxmox.com/debian/proxmox-release-bullseye.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bullseye.gpg 

https://pve.proxmox.com/wiki/Install_Proxmox_VE_on_Debian_11_Bullseye#Install_Proxmox_VE

https://forum.proxmox.com/threads/problem-with-repository-and-upgrade.95020/