Create db backup scripts for instances running on pure docker

[sainak]

Create a script that can be added to system cron to trigger a backup job for the database running on docker

• The backups should be saved in a separate directory
• The script should run with minimal configuration
• Add notification in case backup failure

[perpetrator1]

im interested in working on the issue

[FilippoContessa]

@sainak could i work on this?

[kris70lesgo]

is anyone working on this ? if not i would like to work on this issue .

[vigneshhari]

@kris70lesgo @FilippoContessa feel free to create an MR
commands to force backups or restores will also help.

[sainak]

Partially completed in #2534

[Utkarsh09102004]

I would like to complete the remaining tasks for this issue. Could someone kindly provide guidance on what is required?

[Ritesh051]

@sainak I would like to work on this issue. Please assign me this issue.