A Go library providing a clear and thread-safe syntax for writing and scheduling cron jobs.
Gron is a Go library for scheduling and running cron jobs with a minimalist API. It provides a straightforward way to define periodic tasks, custom job types, and specific execution times, making it a practical tool for backend automation.
Go developers building backend services or applications that require scheduled tasks, such as periodic data processing, cleanup jobs, or automated notifications.
Developers choose Gron for its clean, intuitive interface and thread-safe design, which simplifies cron job management without unnecessary complexity compared to more verbose alternatives.
gron, Cron Jobs in Go.
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The API uses straightforward functions like gron.Every() and .At(), making schedule definition intuitive with less boilerplate, as shown in the usage examples for hourly or daily tasks.
Designed for concurrent use, ensuring safe job scheduling and execution in multi-goroutine environments, which is highlighted as a core goal in the README.
Allows implementing the gron.Job interface for structured tasks, enabling better code organization, demonstrated with the Reminder struct example for reusable jobs.
Supports adding jobs to a running scheduler with c.Add(), facilitating runtime adjustments without stopping, as seen in the full example where monthly and yearly jobs are added after c.Start().
Gron only supports periodic intervals and specific times via .At(), lacking standard cron expressions for complex patterns like '0 0 * * *' or weekday-based scheduling, which the README doesn't address.
Jobs are stored in memory, so application restarts lose all scheduled tasks, requiring manual re-scheduling or external storage solutions, a gap not mentioned in the documentation.
The library provides no mechanisms for job retries, error logging, or dependency management, leaving failure handling entirely to the developer, as evident from the simple Run() interface.