Add port attribute

Author: TechWatching

.devcontainer/devcontainer.json

@@ -12,17 +12,22 @@
   "forwardPorts": [
     3000
   ],
-  // Use 'postCreateCommand' to run commands after the container is created.
+  "portsAttributes": {
+    "3000": {
+      "label": "Blog",
+      "onAutoForward": "openPreview"
+    }
+  },
   "onCreateCommand": "pnpm self-update",
-  "postCreateCommand": "pnpm install --config.confirmModulesPurge=false",
-//  "postStartCommand": "pnpm dev",
+  "updateContentCommand": "pnpm install --config.confirmModulesPurge=false",
+  "postAttachCommand": "pnpm dev",
 
   // Configure tool-specific properties.
   "customizations": {
     "jetbrains": {
-      "backend": "Rider",
+      "backend": "Rider"
     }
-  },
+  }
   // Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
   // "remoteUser": "root"
 }