W: The repository 'https://my-domain.com/repo release Release' does not have a Release file.
E: Failed to fetch https://my-domain.com/repo/dists/release/main/binary-amd64/Packages  
E: Some index files failed to download. They have been ignored, or old ones used instead.
The command '/bin/sh -c echo "192.168.1.253    internal-domain.fr www.internal-domain.fr" >> /etc/hosts                   && apt-get update                   && apt-get install -y                   my-package                   --no-install-recommends                   && rm -rf /var/lib/apt/lists/*' returned a non-zero code: 100