A monitoring pipeline that runs 24/7 shouldn't cost a server. Mine crawls public Telegram channel previews, diffs them against the last run, and posts alerts to a Telegram channel — and it bills me exactly $0, because it runs entirely inside GitHub Actions' free cron. The architecture in one br...

Source: [Dev.to](https://dev.to/yuhehe/a-0-osint-monitoring-pipeline-public-telegram-alerts-on-github-actions-cron-h0)

Sponsored