rm dev container docker file

.devcontainer/devcontainer.json

@@ -1,29 +1,32 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.245.2/containers/ubuntu
 {
 	"name": "Ubuntu",
-	"build": {
-		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick an Ubuntu version: jammy / ubuntu-22.04, focal / ubuntu-20.04, bionic /ubuntu-18.04
-		// Use ubuntu-22.04 or ubuntu-18.04 on local arm64/Apple Silicon.
-		"args": { "VARIANT": "ubuntu-22.04" }
+	"image": "mcr.microsoft.com/devcontainers/base:jammy",
+	"features": {
+		"ghcr.io/devcontainers/features/docker-from-docker:1": {},
+		"ghcr.io/devcontainers/features/nix:1": {},
+		"./dev_shell": {}
 	},
-	"extensions": [
-		"donjayamanne.githistory",
-		"jnoortheen.nix-ide",
-		"ms-azuretools.vscode-docker",
-		"eamodio.gitlens",
-		"streetsidesoftware.code-spell-checker"
-	],
+	// Features to add to the dev container. More info: https://containers.dev/implementors/features.
+	// "features": {},
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
-
 	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "uname -a",
-
-	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "vscode",
-	"features": {
-		"docker-from-docker": "latest"
+	//"onCreateCommand":"nix-env -i nixpkgs-fmt",
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": {},
+			"extensions": [
+				"donjayamanne.githistory",
+				"jnoortheen.nix-ide",
+				"ms-azuretools.vscode-docker",
+				"eamodio.gitlens",
+				"streetsidesoftware.code-spell-checker"
+			]
+		}
 	}
-}
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}