Dev.to
6/23/2026

Day 72 of Learning MERN Stack
Short summary
Developer built an image converter accepting PNG, JPG, WebP, SVG, AVIF and streaming output on-demand. Implemented hourly cron-scheduled cleanup deleting temporary files older than 15 minutes to prevent disk exhaustion. Practical infrastructure pattern for junior developers managing file manipulation backends.
- •Multi-format image converter with real-time processing and file streaming
- •Automated garbage collection via node-cron removes stale temporary files hourly
- •Solves disk space management for backend services handling user media
Generated with AI, which can make mistakes.
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