Update to Bare Metal installation docs (#10086)

* Install PostgreSQL client when needed

* Fix supervisor path to server/worker

* Supervisor IP configuration

docs/docs/start/bare_prod.md

@@ -75,6 +75,8 @@ Copy the supervisor configuration file:
 sudo cp /home/inventree/src/contrib/deploy/supervisord.conf /etc/supervisor/supervisord.conf
 ```
 
+Depending on your setup the IP and port under the `[inet_http_server]` section might need to be changed.
+
 ### Start Supervisor Daemon
 
 ```

docs/docs/start/install.md

@@ -163,6 +163,14 @@ The PostgreSQL python binding must also be installed (into your virtual environm
 pip3 install psycopg pgcli
 ```
 
+#### Install Postgresql client
+
+If PostgreSQL and InvenTree are installed on separate servers / containers the PostgreSQL client has to be installed also where InvenTree is running.
+
+```
+sudo apt-get install postgresql-client
+```
+
 ### MySQL / MariaDB
 
 #### Install Backend