add logging and database migration

app/main.py

@@ -0,0 +1,10 @@
+from version import __version__
+from logging_config import setup_logging
+import os
+from migrate import apply_migrations
+
+APP_ENV = os.environ.get("APP_ENV", "dev")
+logger = setup_logging(APP_ENV)
+logger.info(f"Starting app in {APP_ENV} mode - APP-Version {__version__}")
+
+apply_migrations()