First, we need to make sure that the backup files are not created in the file system that is internal to a Docker container. Because in that case the created files would be lost when the container is stopped. This means that the backup directory must located within in a volume. For this manual we only consider the most simple case, where the backup directory is a local directory on the Docker host. The location of the backup dir in the container can be arbitrarily chosen. In this example we choose the local dir ``otobo_backup`` as the location on the host and ``/otobo_backup`` as the location in the container.
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