3 - name: APT - use stretch repo
5 repo: deb http://ftp.debian.org/debian/ stretch main contrib non-free
8 - name: APT - use stretch security updates repo
10 repo: deb http://security.debian.org/ stretch/updates main contrib non-free
13 - name: APT - use stretch-updates repo
15 repo: deb http://ftp.debian.org/debian/ stretch-updates main contrib non-free
18 - name: APT - use stretch-backports repo
20 repo: deb http://ftp.debian.org/debian stretch-backports main contrib non-free