Cup

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 Monitor and report outdated container images in registries and local deployments.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• "Check for outdated images"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