Backup with cron¶
Crontab is a tool that allows you to launch applications on a regular basis, useful for a server to launch backup scripts, etc.
In this project¶
We have set up two commands to make a backup of :
the postdatabase (dump)
the imported Excels files (archive and compress)
In our case the result is
# Edit this file to introduce tasks to be run by cron. # # Each task to run has to be defined through a single line # indicating with different fields when the task will be run # and what command to run for the task # # To define the time you can provide concrete values for # minute (m), hour (h), day of month (dom), month (mon), # and day of week (dow) or use '*' in these fields (for 'any').# # Notice that tasks will be started based on the cron's system # daemon's notion of time and timezones. # # Output of the crontab jobs (including errors) is sent through # email to the user the crontab file belongs to (unless redirected). # # For example, you can run a backup of all your user accounts # at 5 a.m every week with: # 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/ # # For more information see the manual pages of crontab(5) and cron(8) # # m h dom mon dow command 00 21 * * * tar czf /home/EMERGEN-DB/backups/mediafiles/EMERGEN-DB_mediafiles_$(date +\%Y-\%m-\%d).tar.gz -C /home/EMERGEN-DB/mediafiles . 00 21 * * * sh -c 'docker exec -t emergen-db_db_1 pg_dumpall -c -U postgres > /home/EMERGEN-DB/backups/database/EMERGEN-DB_database_$(date +\%Y-\%m-\%d).sql'
Lists of some pages that can help in setting up a cron :