.vscode/launch.json

@@ -0,0 +1,13 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "type": "node",
+        "request": "attach",
+        "name": "Node: Nodemon",
+        "processId": "${command:PickProcess}",
+        "restart": true,
+        "protocol": "inspector"
+      }
+    ]
+  }  

nodemon.json

@@ -2,5 +2,9 @@
   "watch": ["src"],
   "ext": "ts",
   "ignore": ["src/**/*.spec.ts"],
-  "exec": "ts-node ./src/app.ts"
+  "execMap": {
+    "ts": "node --require ts-node/register"
+  },
+  "verbose": true,
+  "restartable": "rs"
 }

package.json

@@ -17,6 +17,7 @@
     "typescript": "^3.9.5"
   },
   "scripts": {
-    "start": "nodemon"
+    "start": "nodemon src/app.ts",
+    "debug": "nodemon --inspect src/app.ts"
   }
 }