Add Docker support with ready-to-use container image

[konard]

🐳 Docker Support Implementation

This PR implements Docker containerization for the claude-profiles tool as requested in issue #6.

📋 Issue Reference

Resolves #6 - Publish our own ready docker image

✨ What's Added

🐋 Docker Files

• Dockerfile: Multi-stage build based on node:18-alpine with all required dependencies
• .dockerignore: Optimized build context excluding unnecessary files
• GitHub Actions Workflow: Automated Docker builds and publishing to GitHub Container Registry

📦 Container Features

• Base Image: node:18-alpine for minimal size and security
• Dependencies: Pre-installed GitHub CLI, unzip, git, and ca-certificates
• Multi-Platform: Supports linux/amd64 and linux/arm64 architectures
• Health Check: Built-in container health monitoring
• Registry: Published to ghcr.io/deep-assistant/claude-profiles

📚 Documentation

• Comprehensive Docker usage instructions in README.md
• Docker Compose example for easier management
• Volume mounting guidance for GitHub CLI auth and persistent data

🚀 Usage Examples

Quick Start

docker pull ghcr.io/deep-assistant/claude-profiles:latest
docker run -it --rm \
  -v ~/.config/gh:/root/.config/gh:ro \
  -v claude-data:/root/.claude \
  ghcr.io/deep-assistant/claude-profiles:latest --help

Available Tags

• latest - Latest stable version
• v1.3.0 - Specific version tags
• main - Latest development version

🔧 Technical Details

Build Process

• Automated builds on push to main and PR changes
• Multi-platform builds using Docker Buildx
• Cached builds for faster CI/CD
• Automatic version tagging based on package.json

Container Architecture

• Uses dynamic module loading (use-m) - no npm install needed
• Mounts GitHub CLI config for authentication
• Persistent volume for Claude configurations
• Minimal attack surface with Alpine Linux base

🧪 Testing

• Dockerfile syntax validation
• Script syntax checking with Node.js
• Container functionality verification in CI
• Multi-platform build testing

📈 Version Bump

• Updated package.json version to 1.3.0 to include Docker functionality
• Updated README version references

🎯 Benefits

• Containerized Deployment: Perfect for cloud development environments
• No Local Dependencies: Everything bundled in the container
• Consistent Environment: Same behavior across all platforms
• Easy Distribution: Pull and run, no installation required
• CI/CD Ready: Automated builds and publishing

🤖 Generated with Claude Code