✨ Add application factory name to settings and update app factory logic

Author: pcrespov

services/web/server/src/simcore_service_webserver/application_settings.py

@@ -1,6 +1,6 @@
 import logging
 from functools import cached_property
-from typing import Annotated, Any, Final
+from typing import Annotated, Any, Final, Literal
 
 from aiohttp import web
 from common_library.basic_types import DEFAULT_FACTORY
@@ -95,6 +95,13 @@ class ApplicationSettings(BaseApplicationSettings, MixinLoggingSettings):
         Field(None, description="Stack name defined upon deploy (see main Makefile)"),
     ]
 
+    WEBSERVER_APP_FACTORY_NAME: Annotated[
+        Literal["WEBSERVER_FULL_APP_FACTORY", "WEBSERVER_AUTHZ_APP_FACTORY"],
+        Field(
+            description="Application factory to be lauched by the guvicorn server",
+        ),
+    ] = "WEBSERVER_FULL_APP_FACTORY"
+
     WEBSERVER_DEV_FEATURES_ENABLED: Annotated[
         bool,
         Field(

services/web/server/src/simcore_service_webserver/cli.py

@@ -66,14 +66,22 @@ def _setup_app_from_settings(
 async def app_factory() -> web.Application:
     """Created to launch app from gunicorn (see docker/boot.sh)"""
     app_settings = ApplicationSettings.create_from_envs()
-    assert app_settings.SC_BUILD_TARGET  # nosec
 
     _logger.info(
         "Application settings: %s",
         json_dumps(app_settings, indent=2, sort_keys=True),
     )
 
-    app, _ = _setup_app_from_settings(app_settings)
+    _logger.info(
+        "Using application factory: %s", app_settings.WEBSERVER_APP_FACTORY_NAME
+    )
+
+    if app_settings.WEBSERVER_APP_FACTORY_NAME == "WEBSERVER_AUTHZ_APP_FACTORY":
+        from .application import create_application_authz
+
+        app = create_application_authz()
+    else:
+        app, _ = _setup_app_from_settings(app_settings)
 
     return app