!!! Warning
For larger installations you **must have** PostgreSQL 11+ and Postgis 3+
otherwise import and queries will be slow to the point of being unusable.
+ Query performance has marked improvements with PostgrSQL 13+ and Postgis 3.2+.
For compiling:
also check out the osm2pgsql subproject:
```
-git clone --recursive git://github.com/openstreetmap/Nominatim.git
+git clone --recursive https://github.com/openstreetmap/Nominatim.git
```
The development version does not include the country grid. Download it separately: