Code Explainers

Code explainers tagged #structured-logging

javascript 
const express = require('express');
const { AsyncLocalStorage } = require('async_hooks');
const { randomUUID } = require('crypto');
 

Per-request logging context in Express

async-local-storage middleware structured-logging
Advanced 8 steps
ruby 
class ApplicationJob < ActiveJob::Base
  retry_on ActiveRecord::Deadlocked, wait: 5.seconds, attempts: 3
  discard_on ActiveJob::DeserializationError
 

Instrumenting every job in Rails

active-job structured-logging retries
Intermediate 6 steps
go 
package middleware
 
import (
	"bytes"

Capturing response bodies in Gin middleware

middleware response-capture struct-embedding
Intermediate 7 steps
go 
package middleware
 
import (
	"time"

Building a request logger middleware in Gin

middleware structured-logging closures
Intermediate 6 steps
go 
func RecoveryHandler(logger *zap.Logger) gin.HandlerFunc {
	return gin.CustomRecovery(func(c *gin.Context, recovered any) {
		var brokenPipe bool
		if ne, ok := recovered.(*net.OpError); ok {

A panic-recovery middleware in Gin

middleware panic-recovery structured-logging
Intermediate 6 steps