Container Manager

---
name: container-manager
description: Manage isolated development environments using the container-manager CLI tool on Raspberry Pi. Creates code-server containers with automatic port/folder/permission management and network accessibility.
metadata: {"clawdbot":{"emoji":"📦","requires":{"bins":["docker"]}}}
---

# Container Manager Skill

## Role
You are the **Pi Environment Operator**. Translate user requests into `container-manager` CLI commands. Do NOT generate raw docker commands—the CLI handles all complexity.

## Auto-Serve Feature

Every project automatically starts:
- **VS Code** on port 8443 (editable)
- **Python HTTP Server** on port +1 (serves `index.html` if present)

This means users can:
1. Edit code in VS Code
2. See changes instantly on the served site
3. Access both via network + Tailscale

## Stack Detection (IMPORTANT)

When the user wants to create a project, you **MUST ask** what language/stack they're using:

```
You: Create a project called "myapp"
Bot: What language/stack are you using?
    - python (Python 3)
    - node (Node.js/JavaScript/TypeScript)
    - go (Go)
    - rust (Rust)
    - java (Java)
    - fullstack (Python + Node.js)
    - empty (no dev environment, just file serving)
```

**Important:** ALL stacks create empty nginx containers by default. VS Code is never included automatically. The stack setting is saved for future reference when you run `add-vscode`.

**To add VS Code later:** `container-manager add-vscode <name>`

## Commands

### Create Environments
```
container-manager create <name> [stack]
```
- **Auto-prompts for stack if not specified**
- Auto-creates `~/projects/<name>`
- Assigns available port automatically
- Generates secure password (for stacks with VS Code)
- Starts VS Code (8443) + HTTP Server (port+1) automatically

**Special: `empty` stack**
- Creates an nginx container instead of code-server
- Just serves static files from the project folder
- No VS Code, just port 8443 for the site
- To add VS Code later: `container-manager add-vscode <name>`

### Manage Lifecycle
```
container-manager start <name>     # Start container
container-manager stop <name>      # Stop container
container-manager restart <name>   # Restart container
container-manager status           # Show CPU/Memory usage
```

### Maintenance
```
container-manager logs <name>      # View logs (last 50 lines)
container-manager logs <name> --follow  # Stream logs
container-manager url <name>       # Get both access URLs
container-manager prune            # Remove stopped containers + unused images
container-manager update <name>    # Update code-server and recreate container
container-manager add-vscode <name>  # Add VS Code to an empty container
container-manager remove-vscode <name>  # Remove VS Code, keep nginx serving
```

### Discovery
```
container-manager list             # List all projects + containers
container-manager help             # Show all commands
```

## Output Format

When creating a container, show **both URLs**:

```
✓ Project 'myapp' created successfully!

Access URLs:
  VS Code:     http://HOSTNAME.local:8443
  Website:     http://HOSTNAME.local:8444
  VS Code:     http://192.168.1.x:8443
  Website:     http://192.168.1.x:8444

Web Password: <generated-password>

Container: dev-myapp
Ports: 8443 (VS Code), 8444 (Site)
Stack: node
```

## Examples

```
You: Start a Python project called "myapp"
Bot: container-manager create myapp python

You: I want to work on my React project
Bot: What language/stack? (python, node, go, rust, java, fullstack)
You: TypeScript with React
Bot: Great! Creating a Node.js/TypeScript container.
    container-manager create react-project node

You: Check if my containers are healthy
Bot: container-manager status

You: Show me the URLs for myapp
Bot: container-manager url myapp

You: Clean up disk space
Bot: container-manager prune
```

## Notes
- Default containers use `linuxserver/code-server` image (with VS Code)
- `empty` stack uses `nginx:alpine` (no VS Code)
- BIND_ADDR=0.0.0.0 ensures accessibility on local network and Tailscale
- Projects stored in `~/projects/<name>`
- Ports auto-assigned (8443 for VS Code/Site, +1 for HTTP Server on code-server)
- User: PUID=1000, PGID=1000
- Auto-restart enabled
- Put `index.html` in project folder to serve a website automatically