Error fixes: Dead debian:jessie apt-repositories and SSHD privilege separation

[MadMowgli]

Dead debian:jessie apt-repositories

Error Message

 > [ssh-container-ssh-server 2/9] RUN apt-get -qq update:
#0 4.284 W: Failed to fetch http://security.debian.org/debian-security/dists/jessie/updates/main/binary-amd64/Packages  404  Not Found [IP: 151.101.66.132 80]
#0 4.284
#0 4.284 W: Failed to fetch http://deb.debian.org/debian/dists/jessie/main/binary-amd64/Packages  404  Not Found
#0 4.284
#0 4.284 W: Failed to fetch http://deb.debian.org/debian/dists/jessie-updates/main/binary-amd64/Packages  404  Not Found
#0 4.284
#0 4.284 E: Some index files failed to download. They have been ignored, or old ones used instead.

Fix

• Change distro from deb:jess to ubuntu:latest

SSHD privilege separation

Error Message

2023-12-18 18:38:23 Missing privilege separation directory: /run/sshd

Fix

• Adding command to the ssh-container Dockerfile which creates the required /run/sshd directory and sets the respective permissons.

  RUN mkdir -p /run/sshd && chmod 755 /run/sshd