local configuration file can now be an argument

docker_dev_start.py

@@ -276,6 +276,11 @@
         default=None,
         dest='DUMP',
     )
+    parser.add_argument(
+        '--config',
+        help="Configuration file to use, if any [default: %(default)s]",
+        default=os.path.join('conf', 'dev', 'odoo.conf'),
+    )
 
     # TODO detect that user is member of docker group
 
@@ -463,8 +468,8 @@
         arg.append('%s' % nmspc.dbport)
 
     # auto detect local conf
-    local_conf_dir = os.path.join('conf', 'dev')
-    local_conf_path = os.path.join(local_conf_dir, 'odoo.conf')
+    local_conf_path = nmspc.config
+    local_conf_dir = os.path.dirname(os.path.realpath(local_conf_path))
     user = db_user
     password = db_password
     if os.path.isfile(local_conf_path):