Clean up Docker images that are taking up space

Short summary

A practical guide to reclaiming disk space consumed by dangling and unused Docker images. Covers docker system df for diagnostics, docker image prune for dangling layers, prune -a for all unreferenced images, and system prune for a full reset. Includes a cron job template for automated weekly cleanup.

• •Use docker system df to diagnose space usage before cleaning
• •docker image prune -a removes all unreferenced images; filter by age for safety
• •Automate with a weekly cron job running prune -f and logging results

Generated with AI, which can make mistakes.