Update README.md

README.md

 # FACT Buildings Footprint and Height
-ML detected building footprints and height open database 
+ML detected building footprints and height open database. Bing Maps open building footprints. with partial global coverage, only US and Europe included here. https://github.com/microsoft/GlobalMLBuildingFootprints
 
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 ## Use
+Connect to the GitLab container registry with privileges for the FACT group:
+
+
+>docker login -u FACT_token -p glpat-1zG-TQx___xLsPjj2vsG registry.git.nilu.no
+
+
+Run this data service:
+
 >docker run -t -i --name fact_bldgs -e MARIADB_DATABASE=FACT_bldgs -e MYSQL_ROOT_PASSWORD=devops -p 3315:3306 -d registry.git.nilu.no/fact/data/fact_bldgs:0.1
 
+The container makes available a MariaDB instance with the full database on airports and traffic **FACT_bldgs**. It is reachable on port 3315 of the localhost and the root password is 'devops'.
 
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 ## Specifications
-Bing Maps open building footprints. with partial global coverage, only US and Europe included here.
-https://github.com/microsoft/GlobalMLBuildingFootprints
+```
+Table           |Size (MB)|Rows (#) |
+----------------+---------+---------+
+footprints      | 91081.03|341191944|
+geometry_columns|     0.02|        0|
+spatial_ref_sys |     0.02|        0|
+```
+
+![tables schema](FACT_bldgs.png "Tables")
+
+**All spatial objects are converted to EPSG:4326.**
 
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 ## Notes