Configure debugging from outside the container

.gitignore

@@ -4,6 +4,8 @@
 
 ### Visual Studio Code ###
 .vscode 
+# Except launch.json
+!.vscode/launch.json
 
 ### Node ###
 # Logs

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "Docker: Attach to Node",
+        "type": "node",
+        "request": "attach",
+        "restart": true,
+        "port": 9229,
+        "address": "localhost",
+        "localRoot": "${workspaceFolder}",
+        "remoteRoot": "/app",
+        "protocol": "inspector"
+      }
+    ]
+  }

docker-compose-dev.yml

@@ -2,4 +2,6 @@ version: "3.7"
 
 services:
   bot:
-    command: sh -c "npm install && npm run dev"
+    command: sh -c "npm install && npm run dev"
+    ports:
+      - "9229:9229"

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "nodemon index.js"
+    "dev": "nodemon --inspect=0.0.0.0:9229 index.js"
   },
   "author": "",
   "license": "ISC",