X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/09b2510219e97203ad17aa2250ea8351dff06b23..423f338d04f488974cd249cbb7df6f709f060ddd:/docs/admin/Installation.md?ds=sidebyside

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index 6237a9d4..2ae594ba 100644
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -17,12 +17,17 @@ and can't offer support.
 
   * [Docker](https://github.com/mediagis/nominatim-docker)
   * [Docker on Kubernetes](https://github.com/peter-evans/nominatim-k8s)
+  * [Kubernetes with Helm](https://github.com/robjuz/helm-charts/blob/master/charts/nominatim/README.md)
   * [Ansible](https://github.com/synthesio/infra-ansible-nominatim)
 
 ## Prerequisites
 
 ### Software
 
+!!! 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.
+
 For compiling:
 
   * [cmake](https://cmake.org/)
@@ -37,14 +42,16 @@ For compiling:
 
 For running Nominatim:
 
-  * [PostgreSQL](https://www.postgresql.org) (9.3+)
-  * [PostGIS](https://postgis.net) (2.2+)
-  * [Python 3](https://www.python.org/) (3.5+)
+  * [PostgreSQL](https://www.postgresql.org) (9.5+ will work, 11+ strongly recommended)
+  * [PostGIS](https://postgis.net) (2.2+ will work, 3.0+ strongly recommended)
+  * [Python 3](https://www.python.org/) (3.6+)
   * [Psycopg2](https://www.psycopg.org) (2.7+)
   * [Python Dotenv](https://github.com/theskumar/python-dotenv)
   * [psutil](https://github.com/giampaolo/psutil)
   * [Jinja2](https://palletsprojects.com/p/jinja/)
   * [PyICU](https://pypi.org/project/PyICU/)
+  * [PyYaml](https://pyyaml.org/) (5.1+)
+  * [datrie](https://github.com/pytries/datrie)
   * [PHP](https://php.net) (7.0 or later)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)