Switch Claude Code to native installer, remove Node.js dependency

.github/workflows/test.yaml

@@ -15,6 +15,7 @@ jobs:
         features:
           - adr-tools
           - chrome
+          - claude-code
           - codex
           - color
           - gemini-cli

src/claude-code/NOTES.md

@@ -2,13 +2,11 @@
 
 This feature installs [Claude Code](https://www.anthropic.com/claude-code), Anthropic's official CLI for AI-powered development assistance.
 
-## Requirements
-
-- Node.js
+Claude Code is installed using the [native installer](https://code.claude.com/docs/en/setup), which automatically keeps itself up to date.
 
 ## Manual config for `devcontainer.json`
 
-Mount the local `~/.claude/` directory into the Dev Contaier.
+Mount the local `~/.claude/` directory into the Dev Container.
 Add the following mount to the `devcontainer.json` file.
 Replace `vscode` with the actual name of your user (see `remoteUser` property)
 
@@ -26,4 +24,4 @@ Replace `vscode` with the actual name of your user (see `remoteUser` property)
 
 After installation, run `claude` in your project directory to get started.
 
-For detailed documentation, see the [Claude Code documentation](https://docs.anthropic.com/en/docs/claude-code/overview).
+For detailed documentation, see the [Claude Code documentation](https://code.claude.com/docs/en/setup).

src/claude-code/devcontainer-feature.json

@@ -1,18 +1,14 @@
 {
   "id": "claude-code",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "name": "Claude Code",
   "description": "Installs Claude Code CLI for AI-powered development assistance",
   "options": {},
-  "installsAfter": [
-    "ghcr.io/devcontainers/features/node"
-  ],
   "customizations": {
     "vscode": {
       "extensions": [
         "anthropic.claude-code"
       ]
     }
-  },
-  "postStartCommand": "if command -v claude &>/dev/null; then claude update || true; fi"
+  }
 }

src/claude-code/install.sh

@@ -3,42 +3,38 @@ set -e
 
 echo "Installing Claude Code..."
 
-# Check if Node.js is available
-if ! command -v node &> /dev/null; then
-    echo "Error: Node.js is required but not found. Please ensure the Node.js feature is installed."
-    exit 1
+# Ensure curl is available
+if ! command -v curl &> /dev/null; then
+    echo "curl not found, installing..."
+    if command -v apt-get &> /dev/null; then
+        apt-get update && apt-get install -y curl
+    elif command -v apk &> /dev/null; then
+        apk add --no-cache curl
+    elif command -v yum &> /dev/null; then
+        yum install -y curl
+    else
+        echo "Error: curl is required but could not be installed automatically."
+        exit 1
+    fi
 fi
 
-# Check Node.js version (requires 18+)
-NODE_VERSION=$(node --version | sed 's/v//')
-MAJOR_VERSION=$(echo $NODE_VERSION | cut -d. -f1)
-
-if [ "$MAJOR_VERSION" -lt 18 ]; then
-    echo "Error: Node.js 18+ is required, but found version $NODE_VERSION"
-    exit 1
-fi
-
-# Check if npm is available
-if ! command -v npm &> /dev/null; then
-    echo "Error: npm is required but not found."
-    exit 1
-fi
-
-# Install Claude Code - prefer remote user installation if available
+# Install Claude Code using the native installer
+# See https://code.claude.com/docs/en/setup
 if [ -n "$_REMOTE_USER" ] && [ "$_REMOTE_USER" != "root" ]; then
-    echo "Installing Claude Code as user: $_REMOTE_USER"
-    NPM_PATH=$(which npm)
-    BIN_DIR=$(dirname "$NPM_PATH")
-    su "$_REMOTE_USER" -c "PATH=$BIN_DIR:\$PATH $NPM_PATH install -g @anthropic-ai/claude-code"
+    echo "Installing Claude Code for user: $_REMOTE_USER"
+    su "$_REMOTE_USER" -c "curl -fsSL https://claude.ai/install.sh | bash"
+    INSTALL_HOME="$_REMOTE_USER_HOME"
 else
-    echo "Installing Claude Code globally as root"
-    npm install -g @anthropic-ai/claude-code
+    echo "Installing Claude Code"
+    curl -fsSL https://claude.ai/install.sh | bash
+    INSTALL_HOME="${HOME:-/root}"
 fi
 
-# Verify installation
-if ! command -v claude &> /dev/null; then
-    echo "Error: Claude Code installation failed"
-    exit 1
+# Ensure claude is on PATH for all users by symlinking to /usr/local/bin
+# The native installer places the binary at ~/.local/bin/claude
+if [ -f "$INSTALL_HOME/.local/bin/claude" ] && [ ! -f /usr/local/bin/claude ]; then
+    ln -s "$INSTALL_HOME/.local/bin/claude" /usr/local/bin/claude
+    echo "Symlinked claude to /usr/local/bin/claude"
 fi
 
 echo "Claude Code installed successfully!"

test/claude-code/claude_code_with_node_feature.sh → test/claude-code/claude_code_default.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-# This test file will be executed against the 'claude_code_with_node_feature' scenario
-# to verify that Claude Code is properly installed with Node.js feature dependency.
+# This test file will be executed against the 'claude_code_default' scenario
+# to verify that Claude Code is properly installed using the native installer.
 
 set -e
 
@@ -10,8 +10,6 @@ source dev-container-features-test-lib
 
 # Feature-specific tests - simple smoke test
 # The 'check' command comes from the dev-container-features-test-lib.
-check "node is available" which node
-check "npm is available" which npm
 check "claude command available" which claude
 check "claude shows version" bash -c "claude --version"
 

test/claude-code/claude_code_with_custom_user.sh

@@ -1,29 +1,16 @@
 #!/bin/bash
 
 # This test file will be executed against the 'claude_code_with_custom_user' scenario
-# to verify that Claude Code is installed globally using the remote user.
+# to verify that Claude Code is installed for the remote user.
 
 set -e
 
 # Import test library bundled with the devcontainer CLI
 source dev-container-features-test-lib
 
 # Basic functionality tests
-check "node is available" which node
-check "npm is available" which npm
 check "claude command available" which claude
 check "claude shows version" bash -c "claude --version"
 
-# Verify Claude Code is owned by the remote user (vscode), not root
-# CLAUDE_PATH=$(which claude)
-# check "claude binary is owned by vscode" bash -c "stat -c '%U' '$CLAUDE_PATH' | grep -q vscode"
-
-# Verify npm global directory is owned by vscode
-# NPM_GLOBAL_DIR=$(npm config get prefix)
-# check "npm global directory is owned by vscode" bash -c "stat -c '%U' '$NPM_GLOBAL_DIR' | grep -q vscode"
-
-# Verify Claude Code appears in user's global npm packages
-check "claude appears in npm global packages" bash -c "npm list -g --depth=0 | grep -q claude"
-
 # Report results
 reportResults

test/claude-code/scenarios.json

@@ -1,15 +1,6 @@
 {
-    "claude_code_with_node_feature": {
+    "claude_code_default": {
         "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
-        "features": {
-            "ghcr.io/devcontainers/features/node:1": {
-                "version": "lts"
-            },
-            "claude-code": {}
-        }
-    },
-    "claude_code_with_node_image": {
-        "image": "mcr.microsoft.com/devcontainers/javascript-node:1-20-bullseye",
         "features": {
             "claude-code": {}
         }
@@ -18,9 +9,6 @@
         "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
         "remoteUser": "vscode",
         "features": {
-            "ghcr.io/devcontainers/features/node:1": {
-                "version": "lts"
-            },
             "claude-code": {}
         }
     }

test/claude-code/test.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# This test file will be executed against an auto-generated devcontainer.json that
+# includes the 'claude-code' Feature with no options.
+#
+# For more information, see: https://github.com/devcontainers/cli/blob/main/docs/features/test.md
+#
+# Eg:
+# {
+#    "image": "<..some-base-image...>",
+#    "features": {
+#      "claude-code": {}
+#    },
+#    "remoteUser": "root"
+# }
+#
+# Thus, the value of all options will fall back to the default value in the
+# Feature's 'devcontainer-feature.json'.
+#
+# These scripts are run as 'root' by default. Although that can be changed
+# with the '--remote-user' flag.
+#
+# This test can be run with the following command:
+#
+#    devcontainer features test    \
+#               --features claude-code   \
+#               --remote-user root \
+#               --skip-scenarios   \
+#               --base-image mcr.microsoft.com/devcontainers/base:ubuntu \
+#               /path/to/this/repo
+
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+source dev-container-features-test-lib
+
+# Feature-specific tests
+check "claude command available" which claude
+check "claude shows version" bash -c "claude --version"
+
+# Report results
+reportResults