forgot to add pkg-config and use docker in docker instead

.devcontainer/Dockerfile

@@ -0,0 +1,3 @@
+FROM mcr.microsoft.com/devcontainers/base:bullseye
+
+RUN apt-get update && apt-get install -y pkg-config

.devcontainer/devcontainer.json

@@ -3,15 +3,10 @@
 {
 	"name": "Debian",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/base:bullseye",
+	"build": {
+		"dockerfile": "Dockerfile"	
+	},
 	"features": {
-		"ghcr.io/devcontainers/features/docker-outside-of-docker:1": {
-			"moby": true,
-			"installDockerBuildx": true,
-			"installDockerComposeSwitch": true,
-			"version": "latest",
-			"dockerDashComposeVersion": "none"
-		},
 		"ghcr.io/devcontainers/features/node:1": {
 			"nodeGypDependencies": true,
 			"installYarnUsingApt": true,
@@ -20,18 +15,27 @@
 			"nvmVersion": "latest"
 		},
 		"ghcr.io/devcontainers/features/rust:1": {
-			"version": "latest",
+			"version": "1.86",
 			"profile": "minimal"
 		},
 		"ghcr.io/devcontainers/features/github-cli:1": {
 			"installDirectlyFromGitHubRelease": true,
 			"version": "latest"
+		},
+		"ghcr.io/devcontainers/features/docker-in-docker:2": {
+			"moby": true,
+			"azureDnsAutoDetection": true,
+			"installDockerBuildx": true,
+			"installDockerComposeSwitch": true,
+			"version": "latest",
+			"dockerDashComposeVersion": "none"
 		}
 	},
 	"customizations": {
 		"vscode": {
 			"extensions": [
 				"ms-azuretools.vscode-containers",
+				"-ms-azuretools.vscode-docker",
 				"docker.docker",
 				"dotenv.dotenv-vscode",
 				"EditorConfig.EditorConfig",