You can use the new imposm3 feature to keep the database updated (thanks to the [work by @stirringhalo](https://github.com/openmaptiles/openmaptiles/pull/131)). This will automatically download
After the import has finished **imposm3** will store lists of tiles in text format in subfolders of the `diffdir`,
named for the date(s) on which the import took place (`YYYYMMDD`).
Copy and merge the files to `tiles.txt` in the import folder (`data`), either manually or with the following command, which also removes duplicate tiles so they are only generated once: