feat: add node, gcloud-cli, and dataform-cli features with tests

Author: duizendstra

README.md

@@ -6,29 +6,68 @@ Custom devcontainer features for Antigravity IDE development environments.
 
 ### `antigravity-nix`
 
-A consolidated feature that provides:
+Foundation feature that provides:
 - **vscode user** (uid/gid 1000) with passwordless sudo
 - **Nix package manager** (single-user mode with flakes enabled)
-- **Essential tools**: wget, git, curl, sudo, ca-certificates
+- **Essential tools**: wget, git, curl, sudo, ca-certificates, procps
 
-#### Usage
+```json
+"ghcr.io/duizendstra/devcontainer-features/antigravity-nix:1": {}
+```
+
+---
+
+### `node`
+
+Installs Node.js from NodeSource with version selection.
 
 ```json
-{
-  "features": {
-    "ghcr.io/duizendstra/devcontainer-features/antigravity-nix:1": {}
-  }
+"ghcr.io/duizendstra/devcontainer-features/node:1": {
+    "version": "lts"
 }
 ```
 
+**Options:**
+- `version`: `lts`, `20`, `22`, `24`, or `latest`
+
+---
+
+### `gcloud-cli`
+
+Installs Google Cloud CLI via official Debian packages.
+
+```json
+"ghcr.io/duizendstra/devcontainer-features/gcloud-cli:1": {}
+```
+
+---
+
+### `dataform-cli`
+
+Installs Dataform CLI (@dataform/cli) via npm. Requires `node` feature.
+
+```json
+"ghcr.io/duizendstra/devcontainer-features/dataform-cli:1": {}
+```
+
+## Dependency Chain
+
+```
+antigravity-nix → node → dataform-cli
+               → gcloud-cli
+```
+
 ## Publishing
 
 Features are automatically published to `ghcr.io/duizendstra/devcontainer-features/` when pushed to main.
 
 ## Development
 
-To test features locally, use the dev container CLI:
+Test features locally:
 
 ```bash
 devcontainer features test -f antigravity-nix
+devcontainer features test -f node
+devcontainer features test -f gcloud-cli
+devcontainer features test -f dataform-cli
 ```

src/antigravity-nix/install.sh

@@ -0,0 +1,10 @@
+{
+    "id": "dataform-cli",
+    "version": "1.0.0",
+    "name": "Dataform CLI",
+    "description": "Installs the Dataform CLI (@dataform/cli) via npm",
+    "options": {},
+    "installsAfter": [
+        "ghcr.io/duizendstra/devcontainer-features/node"
+    ]
+}

src/dataform-cli/devcontainer-feature.json

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+echo "=== Dataform CLI Feature ==="
+
+# Check if npm is available
+if ! command -v npm &> /dev/null; then
+    echo "Error: npm is not installed. This feature depends on the Node.js feature."
+    exit 1
+fi
+
+# Install Dataform CLI globally
+npm install -g @dataform/cli
+
+echo "Dataform CLI installed successfully!"
+dataform --version

src/dataform-cli/install.sh

@@ -0,0 +1,10 @@
+{
+    "id": "gcloud-cli",
+    "version": "1.0.0",
+    "name": "Google Cloud CLI",
+    "description": "Installs the Google Cloud CLI (gcloud) via official Debian packages",
+    "options": {},
+    "installsAfter": [
+        "ghcr.io/duizendstra/devcontainer-features/antigravity-nix"
+    ]
+}

src/gcloud-cli/devcontainer-feature.json

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -e
+
+echo "=== Google Cloud CLI Feature ==="
+
+# Ensure prerequisites are installed
+apt-get update
+apt-get install -y apt-transport-https ca-certificates gnupg curl
+
+# Trust Google Cloud public key
+curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | gpg --dearmor -o /usr/share/keyrings/cloud.google.gpg
+
+# Add distribution URI as a package source
+echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
+
+# Install the CLI
+apt-get update
+apt-get install -y google-cloud-cli
+
+# Cleanup
+apt-get clean
+rm -rf /var/lib/apt/lists/*
+
+echo "Google Cloud CLI installed successfully!"
+gcloud --version

src/gcloud-cli/install.sh

@@ -0,0 +1,23 @@
+{
+    "id": "node",
+    "version": "1.0.0",
+    "name": "Node.js (NodeSource)",
+    "description": "Installs Node.js from NodeSource with version selection",
+    "options": {
+        "version": {
+            "type": "string",
+            "proposals": [
+                "lts",
+                "20",
+                "22",
+                "24",
+                "latest"
+            ],
+            "default": "lts",
+            "description": "Node.js version to install"
+        }
+    },
+    "installsAfter": [
+        "ghcr.io/duizendstra/devcontainer-features/antigravity-nix"
+    ]
+}

src/node/devcontainer-feature.json

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -e
+
+NODE_VERSION="${VERSION:-lts}"
+
+echo "=== Node.js Feature ==="
+echo "Installing Node.js version '${NODE_VERSION}' via NodeSource..."
+
+# Install dependencies if missing
+if ! command -v curl >/dev/null 2>&1; then
+    apt-get update && apt-get install -y curl gnupg
+fi
+
+# Determine setup URL based on version
+if [ "${NODE_VERSION}" = "lts" ]; then
+    SETUP_URL="https://deb.nodesource.com/setup_lts.x"
+elif [ "${NODE_VERSION}" = "latest" ]; then
+    SETUP_URL="https://deb.nodesource.com/setup_current.x"
+else
+    SETUP_URL="https://deb.nodesource.com/setup_${NODE_VERSION}.x"
+fi
+
+echo "Fetching setup script from ${SETUP_URL}..."
+curl -fsSL "${SETUP_URL}" | bash -
+
+echo "Installing nodejs package..."
+apt-get install -y nodejs
+
+echo "Node.js installed successfully!"
+node --version
+npm --version

src/node/install.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+echo "=== Testing dataform-cli feature ==="
+
+# Test: Check dataform is installed
+echo "Test: Checking Dataform CLI installation..."
+dataform --version || (echo "FAIL: dataform not found" && exit 1)
+echo "PASS: Dataform CLI is installed"
+
+echo ""
+echo "=== All tests passed! ==="

test/dataform-cli/test.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+echo "=== Testing gcloud-cli feature ==="
+
+# Test: Check gcloud is installed  
+echo "Test: Checking gcloud installation..."
+gcloud --version || (echo "FAIL: gcloud not found" && exit 1)
+echo "PASS: gcloud is installed"
+
+echo ""
+echo "=== All tests passed! ==="