How to update the out of date debian docker image
relative the docs about debian repo
for stretch old debian
1# pls reference: https://www.debian.org/security/
2sed -i -e "2 {s/^/#/}" -e "4 {s/^/#/}" -e "6 {s/^/#/}" /etc/apt/sources.list
3echo "deb http://security.debian.org/debian-security bullseye-security main contrib non-free" >> /etc/apt/sources.list
4apt-get update && apt-get upgrade