switch to rdbg debugger

.devcontainer/devcontainer.json

@@ -44,7 +44,8 @@
 		"vscode": {
 			"extensions": [
 				"Shopify.ruby-lsp",
-				"TabbyML.vscode-tabby"
+				"TabbyML.vscode-tabby",
+				"KoichiSasada.vscode-rdbg"
 			],
 			"settings": {
 				"terminal.integrated.defaultProfile.linux": "fish",

.vscode/launch.json

@@ -4,8 +4,13 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    // {
+    //   "type": "rdbg",
+    //   "request": "attach",
+    //   "name": "Attach to a debuggee"
+    // },
     {
-      "type": "ruby_lsp",
+      "type": "rdbg",
       "name": "Debug server",
       "request": "attach",
       "preLaunchTask": "dev"