Notes
To generate a current .mbtiles file:
apt install tilemaker
cd /tmp
mount -o remount,size=24G /dev/shm
# tilemaker --input /tmp/germany-latest.osm.pbf --output /tmp/germany-latest.mbtiles --config /usr/share/doc/tilemaker/examples/config-openmaptiles.json --process /usr/share/doc/tilemaker/examples/process-openmaptiles.lua --store /dev/shm/
