deb http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware
deb-src http://deb.debian.org/debian/ {{ debian_version }} main non-free-firmware

deb http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware
deb-src http://security.debian.org/debian-security {{ debian_version }}-security main non-free-firmware

# {{ debian_version }}-updates, to get updates before a point release is made;
# see https://www.debian.org/doc/manuals/debian-reference/ch02.en.html#_updates_and_backports
deb http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware
deb-src http://deb.debian.org/debian/ {{ debian_version }}-updates main non-free-firmware