update to 23.05.2

.devcontainer/devcontainer.json

@@ -3,10 +3,20 @@
 {
 	"name": "Alpine",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/base:alpine-3.17",
+	"image": "mcr.microsoft.com/devcontainers/base:alpine",
 	"features": {
-		"ghcr.io/devcontainers/features/nix:1": {}
-	}
+		"ghcr.io/devcontainers/features/nix:1": {
+			"packages":  "nixpkgs-fmt",
+			"extraNixConfig": "experimental-features = nix-command flakes"
+		}
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Configure tool-specific properties.
+	"runArgs": ["--userns=keep-id"],
+	"containerUser": "vscode",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	// "features": {},