actually use fastapi lifetime manager to setup logging

.vscode/launch.json

@@ -4,17 +4,21 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
-        // backend - python app that launches a uvicorn server
+        // backend - python using fastapi
         {
             "name": "Backend - debug",
             "type": "debugpy",
             "request": "launch",
-            "program": "launcher.py",
             "env": {
                 "DEBUG": "true"
             },
             "jinja": true,
-            "cwd": "${workspaceFolder}/backend"
+            "cwd": "${workspaceFolder}/backend",
+            "module": "fastapi",
+            "args": [
+                "dev",
+                "src/main.py"
+            ]
         },
         {
             "name": "Backend - tester",