feat(): format & proper startup (make main async for uvicorn to inherit current asyncio event loop)

src/template_project/migrations/env.py

@@ -1,3 +1,5 @@
+import asyncio
+import sys
 from logging.config import fileConfig
 import os
 from pathlib import Path
@@ -7,6 +9,9 @@ from sqlalchemy import pool
 
 from alembic import context
 
+if sys.platform == "win32":
+    asyncio.set_event_loop_policy(asyncio.WindowsSelectorEventLoopPolicy())
+
 from template_project.web_api.configuration import load_configuration
 
 # this is the Alembic Config object, which provides
@@ -23,11 +28,13 @@ if config.config_file_name is not None:
 # from myapp import mymodel
 # target_metadata = mymodel.Base.metadata
 from template_project.adapters.data_gateways.tables import meta_data
+
 target_metadata = meta_data
 
 configuration = load_configuration(Path(os.environ["CONFIGURATION_PATH"]))
 config.set_main_option("sqlalchemy.url", configuration.database.url.get_value())
 
+
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
 # my_important_option = config.get_main_option("my_important_option")