address some comments

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 FROM mcr.microsoft.com/devcontainers/base:jammy
 
-ARG PIXI_VERSION
+ARG PIXI_VERSION=v0.62.2
 
 RUN curl -L -o /usr/local/bin/pixi -fsSL --compressed "https://github.com/prefix-dev/pixi/releases/download/${PIXI_VERSION}/pixi-$(uname -m)-unknown-linux-musl" \
     && chmod +x /usr/local/bin/pixi \
@@ -11,3 +11,6 @@ USER vscode
 WORKDIR /home/vscode
 
 RUN echo 'eval "$(pixi completion -s bash)"' >> /home/vscode/.bashrc
+
+# Create .ssh directory with proper permissions for SSH config mounts
+RUN mkdir -p /home/vscode/.ssh && chmod 700 /home/vscode/.ssh

.devcontainer/claude-code/README.md

@@ -50,7 +50,7 @@ These files **must be writable** to enable:
 
 ## Usage
 
-### Basic Setup
+### Setup
 
 Add this feature to your `devcontainer.json`:
 
@@ -63,19 +63,7 @@ Add this feature to your `devcontainer.json`:
 }
 ```
 
-### Recommended Setup (with Node.js)
-
-For better compatibility, include the Node.js feature:
-
-```json
-{
-  "features": {
-    "ghcr.io/devcontainers/features/node:1": {},
-    "./claude-code": {}
-  },
-  "runArgs": ["--network=host"]
-}
-```
+**Note**: Node.js is automatically installed via the `installsAfter` dependency mechanism - you don't need to explicitly add it to your features.
 
 ### Why `--network=host` is Required
 
@@ -140,14 +128,14 @@ touch ~/.claude/settings.json
 
 ### Container
 
-- **Node.js 18+** and **npm** must be available (will be auto-installed if possible)
-- Supported base images: Debian, Ubuntu, Alpine, Fedora, RHEL, CentOS
+- **Node.js 18+** and **npm** are automatically installed via the `installsAfter` dependency mechanism
+- No manual configuration required
 
 ## Assumptions
 
-1. **User**: The feature assumes the container user is `vscode` (standard for Dev Containers)
-   - Files are mounted to `/home/vscode/.claude/`
-   - If your container uses a different user, you may need to adjust the mount paths
+1. **Container User**: This feature assumes the container user is `vscode` (standard for Dev Containers)
+   - Configuration files are mounted to `/home/vscode/.claude/`
+   - If your container uses a different user (e.g., `root`, `codespace`), you'll need to customize the mounts in your `devcontainer.json`
 
 2. **HOME Environment Variable**: Must be set on the host machine (standard on Unix systems)
 
@@ -385,19 +373,6 @@ Then use both:
 
 ## Troubleshooting
 
-### "Node.js not found" error
-
-**Solution**: Add the Node.js feature explicitly:
-
-```json
-{
-  "features": {
-    "ghcr.io/devcontainers/features/node:1": {},
-    "./claude-code": {}
-  }
-}
-```
-
 ### OAuth callback hangs at "Paste code here"
 
 **Problem**: Browser clicks "Authorize" but container never receives the callback.
@@ -422,7 +397,7 @@ See "Why `--network=host` is Required" section above for details.
 
 ### VS Code extensions don't install with `--network=host`
 
-**Known Issue**: [Using runArg network=host prevents extensions from installing](https://github.com/microsoft/vscode-remote-release/issues/9212)
+**Known Issue**: [Using runArgs network=host prevents extensions from installing](https://github.com/microsoft/vscode-remote-release/issues/9212)
 
 **Workarounds:**
 1. **Rebuild without runArgs first**, let extensions install, then add runArgs (extensions persist)

.devcontainer/claude-code/devcontainer-feature.json

@@ -16,6 +16,9 @@
     "containerEnv": {
         "CLAUDE_CONFIG_DIR": "/home/vscode/.claude"
     },
+    "dependsOn": [
+        "ghcr.io/devcontainers/features/node"
+    ],
     "installsAfter": [
         "ghcr.io/devcontainers/features/node"
     ],

.devcontainer/claude-code/install.sh

@@ -5,95 +5,27 @@ set -eu
 # Based on: https://github.com/anthropics/devcontainer-features/pull/25
 # Combines CLI installation with configuration directory setup
 
-# Function to detect the package manager and OS type
-detect_package_manager() {
-    for pm in apt-get apk dnf yum; do
-        if command -v $pm >/dev/null; then
-            case $pm in
-                apt-get) echo "apt" ;;
-                *) echo "$pm" ;;
-            esac
-            return 0
-        fi
-    done
-    echo "unknown"
-    return 1
-}
+# Function to install Claude Code CLI
+install_claude_code() {
+    echo "Installing Claude Code CLI globally..."
 
-# Function to install packages using the appropriate package manager
-install_packages() {
-    local pkg_manager="$1"
-    shift
-    local packages="$@"
-
-    case "$pkg_manager" in
-        apt)
-            apt-get update
-            apt-get install -y $packages
-            ;;
-        apk)
-            apk add --no-cache $packages
-            ;;
-        dnf|yum)
-            $pkg_manager install -y $packages
-            ;;
-        *)
-            echo "WARNING: Unsupported package manager. Cannot install packages: $packages"
-            return 1
-            ;;
-    esac
-
-    return 0
-}
+    # Verify Node.js and npm are available
+    if ! command -v node >/dev/null || ! command -v npm >/dev/null; then
+        cat <<EOF
 
-# Function to install Node.js
-install_nodejs() {
-    local pkg_manager="$1"
-
-    echo "Installing Node.js using $pkg_manager..."
-
-    case "$pkg_manager" in
-        apt)
-            # Debian/Ubuntu - install more recent Node.js LTS
-            install_packages apt "ca-certificates curl gnupg"
-            mkdir -p /etc/apt/keyrings
-            curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
-            echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
-            apt-get update
-            apt-get install -y nodejs
-            ;;
-        apk)
-            # Alpine
-            install_packages apk "nodejs npm"
-            ;;
-        dnf)
-            # Fedora/RHEL
-            install_packages dnf "nodejs npm"
-            ;;
-        yum)
-            # CentOS/RHEL
-            curl -sL https://rpm.nodesource.com/setup_18.x | bash -
-            yum install -y nodejs
-            ;;
-        *)
-            echo "ERROR: Unsupported package manager for Node.js installation"
-            return 1
-            ;;
-    esac
+ERROR: Node.js and npm are required but not found!
 
-    # Verify installation
-    if command -v node >/dev/null && command -v npm >/dev/null; then
-        echo "Successfully installed Node.js and npm"
-        return 0
-    else
-        echo "Failed to install Node.js and npm"
-        return 1
-    fi
-}
+This should not happen as the Node.js feature is automatically installed
+via the 'installsAfter' mechanism in devcontainer-feature.json.
 
-# Function to install Claude Code CLI
-install_claude_code() {
-    echo "Installing Claude Code CLI globally..."
+Please check:
+1. The devcontainer feature specification is correct
+2. The Node.js feature (ghcr.io/devcontainers/features/node) is available
+3. Your devcontainer build logs for errors
+
+EOF
+        exit 1
+    fi
 
     # Install with npm
     npm install -g @anthropic-ai/claude-code
@@ -116,9 +48,28 @@ create_claude_directories() {
     echo "Creating Claude configuration directories..."
 
     # Determine the target user's home directory
-    # $_REMOTE_USER is set by devcontainer, fallback to 'vscode' or current user
-    local target_home="${_REMOTE_USER_HOME:-/home/${_REMOTE_USER:-vscode}}"
+    # $_REMOTE_USER is set by devcontainer, fallback to 'vscode'
     local target_user="${_REMOTE_USER:-vscode}"
+    local target_home="${_REMOTE_USER_HOME:-/home/${target_user}}"
+
+    # Be defensive: if the resolved home does not exist, fall back to $HOME,
+    # then to /home/${target_user}. If neither is available, fail clearly.
+    if [ ! -d "$target_home" ]; then
+        if [ -n "${HOME:-}" ] && [ -d "$HOME" ]; then
+            echo "Warning: target_home '$target_home' does not exist, falling back to \$HOME: $HOME" >&2
+            target_home="$HOME"
+        elif [ -d "/home/${target_user}" ]; then
+            echo "Warning: target_home '$target_home' does not exist, falling back to /home/${target_user}" >&2
+            target_home="/home/${target_user}"
+        else
+            echo "Error: No suitable home directory found for '${target_user}'. Tried:" >&2
+            echo "  - _REMOTE_USER_HOME='${_REMOTE_USER_HOME:-}'" >&2
+            echo "  - \$HOME='${HOME:-}'" >&2
+            echo "  - /home/${target_user}" >&2
+            echo "Please set _REMOTE_USER_HOME to a valid, writable directory." >&2
+            exit 1
+        fi
+    fi
 
     echo "Target home directory: $target_home"
     echo "Target user: $target_user"
@@ -152,44 +103,13 @@ create_claude_directories() {
     echo "Claude directories created successfully"
 }
 
-# Print error message about requiring Node.js feature
-print_nodejs_requirement() {
-    cat <<EOF
-
-ERROR: Node.js and npm are required but could not be installed!
-Please add the Node.js feature to your devcontainer.json:
-
-  "features": {
-    "ghcr.io/devcontainers/features/node:1": {},
-    "./claude-code": {}
-  }
-
-EOF
-    exit 1
-}
-
 # Main script starts here
 main() {
     echo "========================================="
     echo "Activating feature 'claude-code' (local)"
     echo "========================================="
 
-    # Detect package manager
-    PKG_MANAGER=$(detect_package_manager)
-    echo "Detected package manager: $PKG_MANAGER"
-
-    # Check if Node.js and npm are available
-    if ! command -v node >/dev/null || ! command -v npm >/dev/null; then
-        echo "Node.js or npm not found, attempting to install automatically..."
-        install_nodejs "$PKG_MANAGER" || print_nodejs_requirement
-    else
-        echo "Node.js and npm are already installed"
-        node --version
-        npm --version
-    fi
-
-    # Install Claude Code CLI
-    # Check if already installed to make this idempotent
+    # Install Claude Code CLI (or verify it's already installed)
     if command -v claude >/dev/null; then
         echo "Claude Code CLI is already installed"
         claude --version

.devcontainer/devcontainer.json

@@ -2,10 +2,7 @@
     "name": "python_template",
     "build": {
         "dockerfile": "Dockerfile",
-        "context": "..",
-        "args": {
-            "PIXI_VERSION": "v0.62.2"
-        }
+        "context": ".."
     },
     "customizations": {
         "vscode": {
@@ -21,8 +18,9 @@
         }
     },
 	"features": {
-		"ghcr.io/devcontainers/features/node:1": {},
+        "ghcr.io/devcontainers/features/node":{},
 		"./claude-code": {}
+
         // "ghcr.io/devcontainers/features/docker-in-docker:2": {}
 		// "ghcr.io/devcontainers/features/common-utils:2": {},
 		// "ghcr.io/anthropics/devcontainer-features/claude-code:1.0": {},
@@ -38,7 +36,9 @@
         "XDG_DATA_HOME": "/home/vscode/.local/share"
     },
     "mounts": [
-        "source=${localWorkspaceFolderBasename}-pixi,target=${containerWorkspaceFolder}/.pixi,type=volume"
+        "source=${localWorkspaceFolderBasename}-pixi,target=${containerWorkspaceFolder}/.pixi,type=volume",
+        "source=${localEnv:HOME}/.ssh/known_hosts,target=/home/vscode/.ssh/known_hosts,type=bind,ro",
+        "source=${localEnv:HOME}/.ssh/config,target=/home/vscode/.ssh/config,type=bind,ro"
     ],
     "postCreateCommand": "sudo chown vscode .pixi && pixi install"
 }

.vscode/extensions.json

@@ -1,14 +1,11 @@
 {
   "recommendations": [
-    "ms-python.python",
-    "ms-python.vscode-pylance",
-    "ms-python.pylint",
-    "njpwerner.autodocstring",
-    "charliermarsh.ruff",
-    "mhutchie.git-graph",
-    "tamasfe.even-better-toml",
-    "ms-azuretools.vscode-docker",
-    "ryanluker.vscode-coverage-gutters",
-    "jjjermiah.pixi-vscode"
+      "tamasfe.even-better-toml",
+      "ms-python.python",
+      "ms-python.vscode-pylance",
+      "jjjermiah.pixi-vscode",
+      "charliermarsh.ruff",
+      "tamasfe.even-better-toml",
+      "mhutchie.git-graph"
   ]
 }