Switch apt-cacher-ng to use httpredir.debian.org
Switch apt-cacher-ng to use httpredir.debian.org

jakirkham/dockerfiles,rot26/dockerfiles,adammcarth/dockerfiles,pmav99/dockerfiles,rot26/dockerfiles,jakirkham/dockerfiles,rot26/dockerfiles,jakirkham/dockerfiles,atyenoria/dockerfiles,adammcarth/dockerfiles,pmav99/dockerfiles,jakirkham/dockerfiles,atyenoria/dockerfiles,atyenoria/dockerfiles,pmav99/dockerfiles,adammcarth/dockerfiles,atyenoria/dockerfiles,jakirkham/dockerfiles,rot26/dockerfiles,pmav99/dockerfiles,adammcarth/dockerfiles