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 # Nominatim-UI
 
-Frontend for [Nominatim](http://nominatim.org/) ([source](https://github.com/openstreetmap/Nominatim/)) geocoder.
+Debugging user interface for [Nominatim](https://nominatim.org/)
+([source](https://github.com/openstreetmap/Nominatim/)) geocoder.
+The frontend runs standalone as website and will requests data
+from a separate Nominatim API (either on the same server or
+remote).
 
-Preview version. See TODO file.
+Uses [jQuery](https://jquery.com/) for browser DOM interaction,
+[handlebar](http://handlebarsjs.com/) templates to build pages,
+[leaflet](https://leafletjs.com/) for map interaction,
+[bootstrap](https://getbootstrap.com/) for layout styling.
 
-http://handlebarsjs.com/
 
+## Background
 
-## Installation
+The user interface used to be included in the geocoder. Thus the
+first version avoid being a redesign and still uses some of the
+same configuration values. For simplicity it's not a single
+page application (SPA) written in a framework though it could
+be if complexity grows.
 
-1. run build
 
-```
-./build.sh
-```
+## Starting the frontend
+
+You can open the `dist` directory in your browser.
 
-2. start any webserver to serve static files, e.g.
+You can start a simple HTTP webserver ([Big list of http static server one-liners](https://gist.github.com/willurd/5720255)).
 
 ```
 php -S localhost:8000 -t dist
 ```
 
+
+## Configuration
+
+In `dist/config.js` you will find configuration options. The first
+you want to doublecheck is the `Nominatim_API_Endpoint` URL.
+
+
+## Building the frontend
+
+* Install dependencies
+
+   ```
+   yarn install
+   ```
+
+* After you change files in `src` directory
+
+   ```
+   ./build.sh
+   ```
+
 ## License
 
 The source code is available under a GPLv2 license.