1. fix "test-project/bin" missing

2. add auto clean test-project after debug
3. hard coding relative path

Author: Amblizer

containers/ruby-2-rails-5/.devcontainer/devcontainer.json

@@ -4,10 +4,7 @@
 	"extensions": [
 		"rebornix.Ruby", 
 	],
-	"runArgs": [
-		// change this to your project name to debug
-		"-e", "PROJECT_NAME=test-project"
-	], 
+	"runArgs": [], 
 	// Uncomment the next line if you want to publish any ports.
 	// "appPort": ["80:80"],
 

containers/ruby-2-rails-5/.vscode/launch.json

@@ -9,10 +9,11 @@
             "type": "Ruby",
             "request": "launch",
             // Current dir using env variable input in tasks.json
-            "cwd": "${workspaceRoot}/${env:PROJECT_NAME}", 
+            "cwd": "${workspaceRoot}/test-project", 
             // run bundle install before rails server
-            "preLaunchTask": "bundleInstall",
+            "preLaunchTask": "Create test-project",
             "program": "bin/rails",
+            "postDebugTask": "Delete test-project",
             // Setup debug binding IP and port.
             "args": ["s", "-b", "0.0.0.0", "-p", "80"], 
         }

containers/ruby-2-rails-5/.vscode/tasks.json

@@ -3,10 +3,15 @@
     // for the documentation about the tasks.json format
     "version": "2.0.0",
     "tasks": [
-        {   // bundle install in project folder
-            "label": "bundleInstall",
+        {
+            "label": "Create test-project",
             "type": "shell",
-            "command": "cd ${env:PROJECT_NAME} && bundle install"
+            "command": "rails new test-project -G --skip && cd test-project && bundle install"
+        }, 
+        {
+            "label": "Delete test-project",
+            "type": "shell",
+            "command": "cd test-project && rm -rf * && rm -f .ruby-version"
         }, 
     ], 
 }