@relab/pino-logger NPM

@relab/pino-logger

Pino-based logger configuration with Loki integration.

Requirements

Node 18+

Installation

NPM

npm install --save @relab/pino-logger

PNPM

pnpm add @relab/pino-logger

Setup

Fastify

import Fastify from 'fastify'
import pino from 'pino'
import { loggerOptions, pinoStreams } from '@relab/pino-logger'

const fastify = Fastify({
    logger: {
        enabled: true,
        base: { area: 'http' },
        ...loggerOptions,
        stream: pino.multistream(pinoStreams()),
    },
})

Usage

import { logger } from '@relab/pino-logger'

const log = logger('custom-area')

log.info('Hello')

Configuration

There are some environment variables used to configure logger.

`process.env`	Description	Default
`LOG_LEVEL`	Log level for output to console (`trace`/`debug`/`info`/`warn`/`error`/`fatal`)	`info`
`LOKI_HOST`	Loki host name	Empty
`LOKI_USERNAME`	Loki user name	Empty
`LOKI_PASSWORD`	Loki password	Empty
`LOKI_LOG_LEVEL`	Log level for Loki (`trace`/`debug`/`info`/`warn`/`error`/`fatal`)	`warn`
`NAMESPACE`	App namespace (useful for k8s apps)	Empty
`HOSTNAME`	App host name/pod name (useful for k8s apps)	Empty
`COMMIT_ID`	Git Commit SHA	Empty
`BRANCH_NAME`	Git branch name	Empty
`BUILD_ID`	Build ID	Empty