Added install infos.

docs/bare-metal-installation.md

@@ -75,7 +75,7 @@ cp config/sample.production.engine.ini config/engine.ini
 
 ### Setting up the database
 
-The primary database supported by AURA is PostgreSQL.
+Engine requires a PorstgreSQL database to cache any programme info locally:
 
 ```bash
 # Additional Python packages for PostgreSQL
@@ -84,18 +84,7 @@ pip3 install -r contrib/postgresql-requirements.txt
 sudo -u postgres psql -f contrib/postgresql-create-database.sql
 ```
 
-Alternatively you can also use MariaDB:
-
-> Warning: Due to an [issue with Mysql/MariaDB](https://gitlab.servus.at/aura/engine/-/issues/75) we recommend using PostgreSQL only.
-
-```bash
-# Additional Python packages for MariaDB
-pip3 install -r contrib/mariadb-requirements.txt
-# Create database and user (change password in script)
-sudo mysql -u root -p < contrib/mariadb-database.sql
-```
-
-You might want to change the password for the database user created by the relevant script.
+> Important: You might want to change the password for the database user created by the relevant script.
 
 ## Configuration
 

docs/developer-guide.md

@@ -57,7 +57,9 @@ Ensure you have following other projects up and running:
 - engine-api
 - engine-clock (optional)
 
-Create an virtual environment allowing you to ensure having the proper Python version and dependencies:
+The following steps espect you having done the bases configuration and set up a database as outlined in the [Native Installation](https://gitlab.servus.at/aura/engine/-/blob/master/docs/bare-metal-installation.md) document.
+
+If you don't have already, you'll need to create an virtual environment:
 
 ```shell
 ~/code/aura/engine$ virtualenv -p python3.8 python