logster
An easy-to-parse, single-line logger for Elixir Phoenix and Plug applications, supporting logfmt, JSON, and custom formatting.
What is logster?
Logster is a logging library for Elixir Phoenix and Plug applications that transforms verbose, multi-line HTTP request logs into concise, single-line entries. It solves the problem of cumbersome, hard-to-parse production logs by outputting structured, machine-readable formats like logfmt or JSON. This makes logs significantly easier to search, analyze, and integrate with log management services.
Elixir developers building Phoenix web applications or Plug-based APIs who need production-ready, structured logging. It is particularly useful for teams using log aggregation and monitoring services like Better Stack, Papertrail, or similar platforms.
Developers choose Logster over default Phoenix logging because it provides single-line, structured output by default, which is optimized for machine parsing and integration. Its unique selling points include fine-grained, per-request configuration, support for multiple formatters (logfmt, JSON, custom), and the ability to add custom metadata, offering greater control and flexibility than basic logging.
Overview
Easily parsable single line, plain text and JSON logger for Plug and Phoenix applications
Use Cases
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