How to update the out of date debian docker image

 1dpkg -L libssh2-1 # view the package use which files
 2dpkg -s libssh2-1 # view the package infos
 3# install the checkinstall
 4echo "deb http://ftp.de.debian.org/debian bullseye main" >> /etc/apt/sources.list
 5apt update
 6apt install checkinstall
 7tar -zxvf source-app.tar.gz
 8cd source
 9./configure
10make
11checkinstall --install=no

1apt-cache madison systemd
2apt-get install libglib2.0-0=2.66.8-1+deb11u3

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