Add apt-packages Feature

Author: jgarber623-cargosense

src/apt-packages/README.md

@@ -0,0 +1,17 @@
+# apt-packages
+
+Install programs using the [APT package manager](https://wiki.debian.org/AptCLI).
+
+## Usage
+
+```json
+"features": {
+  "ghcr.io/CargoSense/devcontainer-features/apt-packages:1": {
+    "packages": "curl ca-certificates"
+  }
+}
+```
+
+## OS Support
+
+This Feature should work on recent versions of Debian/Ubuntu and Linux distributions using the `apt` command-line program.

src/apt-packages/devcontainer-feature.json

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+{
+  "name": "APT Packages",
+  "id": "apt-packages",
+  "version": "1.0.0",
+  "description": "Install programs using the APT package manager.",
+  "options": {
+    "packages": {
+      "type": "string",
+      "description": "A space-separated list of packages to install.",
+      "proposals": ["build-essential", "curl ca-certificates", "htop"],
+      "default": ""
+    }
+  },
+  "installsAfter": [
+    "ghcr.io/devcontainers/features/common-utils"
+  ]
+}

src/apt-packages/install.sh

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+#!/usr/bin/env sh
+
+set -e
+
+apt update
+
+# shellcheck disable=SC2154
+apt install --no-install-recomends --yes "${PACKAGES}"
+
+rm -rf /var/lib/apt/lists /var/cache/apt/archives