Simplify the handling of config-file entries for database configuration

exposureinitializer/exposureinitializer.py

@@ -575,14 +575,7 @@ def command_line_interface():
     if command == "local":
         exposure_database_object = SpatiaLiteExposure(args.exposure_database)
     elif command == "server":
-        exposure_db_config = {
-            "host": postgis_config["Exposure"]["host"],
-            "dbname": postgis_config["Exposure"]["dbname"],
-            "port": postgis_config["Exposure"]["port"],
-            "username": postgis_config["Exposure"]["username"],
-            "password": postgis_config["Exposure"]["password"],
-            "timeout": postgis_config["Exposure"].get("timeout", None),
-        }
+        exposure_db_config = dict(postgis_config["Exposure"])
         exposure_database_object = PostGISExposure(**exposure_db_config)
 
     # Initialize timer