trac runs as a service, using a data container.
Data can be backed up and restored using the backup and restore containers
make build; make run
All data resides in directory /trac. Data is backed up to directory /backup (tar.gz file). To back up, use command:
docker start trac-app-backup
Use docker cp trac-app:/backup <dest> to get backups out of container.
Archive to restore must be one created above (format: 20180724.trac.tar.gz).
Use docker cp <archive> trac-app:/restore to get archive into container.
To restore, use command:
docker start trac-app-restore