dockerfile: add rsync (#5773)
* Add rsync to docker.
Add rsync to docker.
Rsync is nearly a necessity to optimize backup inside Openshift container.
Using TAR (default without Rsync), the process of external backup constantly stops at the middle.
* Add rsync to docker
Add rsync to docker.
Rsync is nearly a necessity to optimize backup inside Openshift container.
Using TAR (default without Rsync), the process of external backup constantly stops at the middle.
* Add rsync to docker
Add rsync to docker.
Rsync is nearly a necessity to optimize backup inside Openshift container.
Using TAR (default without Rsync), the process of external backup constantly stops at the middle.
* Add rsync to docker
Add rsync to docker.
Rsync is nearly a necessity to optimize backup inside Openshift container.
Using TAR (default without Rsync), the process of external backup constantly stops at the middle.