config: fix missing "instance_path" usage

invenio_cli/commands/services.py

@@ -35,10 +35,12 @@ def ensure_containers_running(self):
         """Ensures containers are running."""
         project_shortname = self.cli_config.get_project_shortname()
 
-        instance_path = self.cli_config.get_instance_path()
+        cmd_env = {}
+        instance_path = self.cli_config.get_instance_path(throw=False)
+        if instance_path:
+            cmd_env = {"INSTANCE_PATH": str(instance_path)}
         # Set environment variable for the instance path, it might be needed by docker services
-        with env(INSTANCE_PATH=str(instance_path)):
-
+        with env(**cmd_env):
             self.docker_helper.start_containers()
 
         services = ["redis", self.cli_config.get_db_type(), "search"]

invenio_cli/helpers/cli_config.py

@@ -64,15 +64,15 @@ def get_project_dir(self):
         """Returns path to project directory."""
         return self.config_path.parent.resolve()
 
-    def get_instance_path(self):
+    def get_instance_path(self, throw=True):
         """Returns path to application instance directory.
 
         If not set yet, raises an InvenioCLIConfigError.
         """
         path = self.private_config[CLIConfig.CLI_SECTION].get("instance_path")
         if path:
             return Path(path)
-        else:
+        elif throw:
             raise InvenioCLIConfigError("Accessing unset 'instance_path'")
 
     def update_instance_path(self, new_instance_path):