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verdaccio/docs/logger.md
Marc Udoff 5ca0ca5228 feat: exposed rotating-file log for json logging (#948)
This both allows for logger type 'rotating-file' and
passing of other options from the config "option" example:
{type: rotating-file, format: json, path: /path/to/log.jsonl, level: http, options: {period: 1d}}
2018-09-01 00:42:15 +02:00

1.2 KiB

id title
logger Logger

As any web application, verdaccio has a customisable built-in logger. You can define multiple types of outputs.

logs:
  # console output
  - {type: stdout, format: pretty, level: http}
  # file output
  - {type: file, path: verdaccio.log, level: info}
  # Rotating log stream. Options are passed directly to bunyan. See: https://github.com/trentm/node-bunyan#stream-type-rotating-file
  - {type: rotating-file, format: json, path: /path/to/log.jsonl, level: http, options: {period: 1d}}

Use SIGUSR2 to notify the application, the log-file was rotated and it needs to reopen it. Note: Rotating log stream is not supported in cluster mode. See here

Configuration

Property Type Required Example Support Description
type string No [stdout, file] all define the output
path string No verdaccio.log all if type is file, define the location of that file
format string No [pretty, pretty-timestamped] all output format
level string No [fatal, error, warn, http, info, debug, trace] all verbose level