Musing CLI

A fast command-line tool for managing multi-service development stacks with Docker, MongoDB, and microservices.

What Does It Do?

This CLI provides professional tooling for complex development environments:

• Live monitoring dashboard - Real-time health checks for all services (3-second refresh)
• Docker stack management - Start/stop/rebuild services with auto-detection
• Safe deployments - MongoDB data sync with confirmations and tunnel verification
• Beautiful TUI - Professional terminal UI powered by Charm Bracelet

My Workflow

This is my DevOps command center for stevengregory.io. A tool managing my full-stack application: Angular frontend, Go service layer, and MongoDB database. Built for speedy local development and deployment of decoupled, multi-service stacks.

Prerequisites

• Docker Desktop (for dev command)
• mongoimport (for deploy command; available via MongoDB Database Tools)
• SSH + lsof (for tunnel/ssh commands)
• Docker Compose (for service orchestration)

Installation

Homebrew

brew tap stevengregory/musing
brew install musing

Tap repository: stevengregory/homebrew-musing

Upgrading:

brew update && brew upgrade musing

Commands

monitor

Live dashboard with real-time health checks.

musing monitor

Features:

• Real-time service health monitoring (3-second refresh)
• Color-coded status indicators for each service
• Organized sections: Docker → Database → API Services → Frontend → SSH Tunnels
• Keyboard controls: q, Ctrl+C, or Esc to exit

dev

Manage the development stack.

musing dev           # Start all services
musing dev start     # Start all services (explicit)
musing dev stop      # Stop all services
musing dev rebuild   # Rebuild images and start
musing dev logs      # Follow logs

Features:

• Auto-detects and starts Docker Desktop if needed
• Validates required repositories exist
• Health checks for MongoDB and frontend
• Progress indicators for long operations

tunnel

Manage SSH tunnel to production database.

musing tunnel         # Start tunnel (or show status if running)
musing tunnel start   # Start tunnel explicitly
musing tunnel stop    # Stop tunnel
musing tunnel status  # Check tunnel status

Features:

• Auto-configures from .musing.yaml production settings
• Supports custom SSH key paths with ~ expansion
• Checks if tunnel is already running
• Automatically backgrounds SSH process
• Auto-managed by deploy command for production deployments

ssh

Open an interactive SSH session to your production server.

musing ssh

Features:

• Auto-configures from .musing.yaml production settings
• Supports custom SSH key paths with ~ expansion
• Interactive shell session for debugging and administration

deploy

Deploy MongoDB collections to dev or production.

musing deploy              # All collections to dev
musing deploy news         # Deploy news to dev
musing deploy news prod    # Deploy news to prod

How it works:

• Auto-discovers all .json files in your data directory
• Collection names derived from filenames (e.g., news.json → news collection)
• Automatically detects JSON arrays vs. objects
• No manual configuration needed

Production safety:

• Interactive confirmation required
• Auto-opens SSH tunnel if not already running
• Auto-closes tunnel after deployment completes
• Clear warnings about data overwrite

version

Check the installed version.

musing version
musing --version

Configuration

Create a .musing.yaml file in your project root to define your stack:

services:
  # Frontend
  - name: Angular
    port: 3000
    type: frontend

  # API Services
  - name: my-api
    port: 8080
    type: api

# Database configuration
database:
  type: MongoDB
  name: mydb
  devPort: 27018
  prodPort: 27019
  dataDir: data

# Optional: Production deployment settings
production:
  server: root@your-server.com # SSH server for production access
  remoteDBPort: 27017 # Remote database port (typically 27017 for MongoDB)
  sshKeyPath: ~/.ssh/your-key # Optional: specific SSH key to use (supports ~ expansion)

Why This Approach?

Project-agnostic design means you can adapt it for any stack:

• Works with any frontend framework (Angular, React, Vue, etc.)
• Backend-agnostic (Go, Node, Python microservices)
• Service configurations in internal/config/config.go
• Docker Compose integration
• Port-based health checking (framework-independent)
• MongoDB deployment patterns
• SSH tunnel support for remote databases

Key benefits:

• Fast startup (1-3ms)
• Type-safe Go prevents runtime errors
• Professional terminal UI with Bubble Tea
• Single binary with zero dependencies

Development

# Run without installing
go run ./cmd/musing monitor
go run ./cmd/musing dev

# Build for development (with version detection)
make build

# Manage dependencies
go mod tidy

Architecture

musing-cli/
├── cmd/
│   ├── musing/
│   │   └── main.go     # Entry point
│   ├── dev.go          # Dev command
│   ├── deploy.go       # Deploy command
│   ├── monitor.go      # Monitor command
│   ├── ssh.go          # SSH command
│   ├── tunnel.go       # Tunnel command
│   ├── project.go      # Shared project/config loading helpers
│   └── root.go         # Root command setup
├── internal/
│   ├── config/         # Service configs & ports
│   ├── docker/         # Docker operations
│   ├── health/         # Health checks
│   ├── mongo/          # MongoDB deployment
│   └── ui/             # Styled output & prompts

Tech Stack:

• Go (fast, type-safe, single binary)
• Bubble Tea (interactive TUI)
• Lip Gloss (terminal styling)
• Huh (confirmation prompts)

See CLAUDE.md for detailed architecture and development guidelines.

Screenshots

Help Command (click to expand)

Monitor Command (click to expand)

License

MIT