cup

name	cup
description	Use this skill when the user wants to check for container image updates, monitor Docker registries for outdated images, or automate image update notifications.

cup Plugin

Check for available updates for your container images. Monitor and report outdated container images in registries and local deployments.

Commands

Image Update Checking

• cup image check — Check for image updates

Utility

• cup _ _ — Passthrough to cup CLI

Usage Examples

• "Check image updates"
• "Monitor container versions"
• "Check for outdated images"
• "Container update checker"

Installation

brew install sergi0g/tap/cup

Or via Cargo:

cargo install cup

Examples

# Check specific image
cup image check nginx:latest

# Check all configured images
cup image check --all

# Output as JSON
cup image check --all --json

# Any cup command with passthrough
cup _ _ check nginx:latest
cup _ _ check --all --json
cup _ _ list

Key Features

• Updates - Check for updates
• Registries - Multi-registry support
• Docker Hub - Docker Hub support
• GHCR - GitHub Container Registry
• JSON - JSON output
• Config - Config file support
• Monitoring - Update monitoring
• Fast - Fast checking
• CI/CD - Pipeline integration
• Notifications - Update notifications

Notes

• Supports multiple registries
• Great for CI update checks
• Configurable via config file
• Perfect for image lifecycle management