global: fix covers loading on localhost

INSTALL.rst

@@ -48,14 +48,26 @@ Next, create database tables, search indexes and message queues:
 .. code-block:: console
 
     $ ./scripts/setup
-    
+
 If the setup scripts fails because of missing vocabularies:
 
 .. code-block:: console
 
     $ cd <your-virtualenv-path>/invenio-app-ils/invenio_app_ils
     $ pipenv run ils setup --verbose
 
+
+Covers
+------
+
+If the covers are not displayed first run the server (to start celery)
+and after the setup script:
+
+.. code-block:: console
+
+    $ ./scripts/server
+    $ ./scripts/setup
+
 Running
 -------
 Start the webserver and the celery worker:

scripts/server

@@ -11,6 +11,8 @@ set -e
 script_path=$(dirname "$0")
 
 export FLASK_ENV=development
+export SYNDETIC_CLIENT=cernlibrary
+export SERVER_NAME=localhost:5000
 # Start Worker and Server
 pipenv run celery worker -A invenio_app.celery -l INFO & pid_celery=$!