database/redis: Example doesn't work

[cyanezstange]

Example: database/redis

The build process fails. Many 404 errors appear when trying to access Debian repositories.

$ sudo singularity build redis.sif redis.def 
INFO:    Starting build...
INFO:    Using cached image
INFO:    Verifying bootstrap image /root/.singularity/cache/library/sha256.3a358bce61ef01e938e94c67ddac5a1caa7cd8a9ce739e6458cdc46c00e8f812
INFO:    Running post scriptlet
+ apt-get update
Ign:1 http://deb.debian.org/debian stretch InRelease
Ign:2 http://deb.debian.org/debian stretch-updates InRelease
Ign:3 http://deb.debian.org/debian stretch Release
Ign:4 http://deb.debian.org/debian stretch-updates Release
Ign:5 http://deb.debian.org/debian stretch/main amd64 Packages
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:5 http://deb.debian.org/debian stretch/main amd64 Packages
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:5 http://deb.debian.org/debian stretch/main amd64 Packages
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
Ign:9 http://security.debian.org/debian-security stretch/updates InRelease
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:5 http://deb.debian.org/debian stretch/main amd64 Packages
Ign:10 http://security.debian.org/debian-security stretch/updates Release
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Ign:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:5 http://deb.debian.org/debian stretch/main amd64 Packages
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
Ign:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
Err:5 http://deb.debian.org/debian stretch/main amd64 Packages
  404  Not Found [IP: 146.75.30.132 80]
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Ign:6 http://deb.debian.org/debian stretch/main all Packages
Ign:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
Err:7 http://deb.debian.org/debian stretch-updates/main amd64 Packages
  404  Not Found [IP: 146.75.30.132 80]
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Ign:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
Ign:8 http://deb.debian.org/debian stretch-updates/main all Packages
Ign:11 http://security.debian.org/debian-security stretch/updates/main all Packages
Err:12 http://security.debian.org/debian-security stretch/updates/main amd64 Packages
  404  Not Found [IP: 151.101.194.132 80]
Reading package lists... Done
W: The repository 'http://deb.debian.org/debian stretch Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://deb.debian.org/debian stretch-updates Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: The repository 'http://security.debian.org/debian-security stretch/updates Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://deb.debian.org/debian/dists/stretch/main/binary-amd64/Packages  404  Not Found [IP: 146.75.30.132 80]
E: Failed to fetch http://deb.debian.org/debian/dists/stretch-updates/main/binary-amd64/Packages  404  Not Found [IP: 146.75.30.132 80]
E: Failed to fetch http://security.debian.org/debian-security/dists/stretch/updates/main/binary-amd64/Packages  404  Not Found [IP: 151.101.194.132 80]
E: Some index files failed to download. They have been ignored, or old ones used instead.
FATAL:   While performing build: while running engine: exit status 100