Expose ports to outside network (#9509)

- Allows other devices to connect by default

.devcontainer/devcontainer.json

@@ -51,6 +51,11 @@
     }
   },
 
+  "runArgs": [
+    "-p",
+    "8000:8000"
+  ],
+
   // Use 'postCreateCommand' to run commands after the container is created.
   "postCreateCommand": ".devcontainer/postCreateCommand.sh",