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Searchable application logs are a beta feature. During the beta period, log search is free.
Log search on Fly.io is backed by our own instance of VictoriaLogs and is exposed through a Grafana interface. We currently retain logs for 7 days. To search logs from your Fly Apps:
  • Click Search logs in Grafana in your Fly.io app dashboard, or
  • Open your Grafana dashboard directly
Learn how to build more complex queries using LogsQL, the query language of VictoriaLogs.