codesnips

reliability

go 
package mail

import (
  "context"
  "bytes"
  "encoding/json"

Email delivery via HTTP provider with context, timeout, and idempotency

go email background-jobs
by Leah Thompson 1 tab
typescript 
import Redis from "ioredis";

export const redis = new Redis(process.env.REDIS_URL ?? "redis://localhost:6379");

export interface Codec<T> {
  encode(value: T): string;

Redis cache-aside for expensive reads

redis performance caching
by codesnips 3 tabs
ruby 
class Document < ApplicationRecord
  belongs_to :account

  validates :source_url, presence: true

  before_save :normalize_checksum

Prevent Long Transactions with after_save_commit for Heavy Work

rails activerecord background-jobs
by codesnips 3 tabs
typescript 
import { Queue } from "bullmq";
import IORedis from "ioredis";

export const connection = new IORedis(process.env.REDIS_URL ?? "redis://localhost:6379", {
  maxRetriesPerRequest: null,
});

BullMQ worker with retries + dead-letter

node redis background-jobs
by codesnips 3 tabs
go 
        package api

        import (
          "context"
          "crypto/rand"
          "encoding/hex"

HTTP handler with timeouts, request IDs, and context cancellation

go http context
by Leah Thompson 2 tabs
typescript 
import { Injectable } from '@nestjs/common';

export interface RateLimitResult {
  allowed: boolean;
  remaining: number;
  limit: number;

Sliding-Window Webhook Rate Limiting with a NestJS Interceptor and In-Memory Counter

typescript nestjs rate-limiting
by codesnips 3 tabs
php 
<?php

namespace App\Http\Controllers;

use App\Jobs\ProcessWebhook;
use App\Support\WebhookSignature;

Debounce Duplicate Webhooks in Laravel by Dispatching a Delayed Queued Job

laravel webhooks queues
by codesnips 3 tabs
typescript 
export type CheckResult = { name: string; status: 'up' | 'down'; durationMs: number; error?: string };
export type Check = () => Promise<void>;

function withTimeout(fn: Check, ms: number): Promise<void> {
  return new Promise((resolve, reject) => {
    const timer = setTimeout(() => reject(new Error(`timeout after ${ms}ms`)), ms);

Health checks with readiness + liveness

reliability fastify kubernetes
by codesnips 3 tabs
ruby 
class CreateStripeEvents < ActiveRecord::Migration[7.1]
  def change
    create_table :stripe_events do |t|
      t.string :stripe_event_id, null: false
      t.string :event_type, null: false
      t.string :status, null: false, default: "received"

Idempotent Stripe Webhook Processing in Rails with a Durable Event Log

rails stripe webhooks
by codesnips 4 tabs
ruby 
require "sidekiq/api"

class QueueDepthGuard
  class QueueSaturated < StandardError
    attr_reader :queue, :depth

Background Job Backpressure with Queue Depth Guard

rails reliability sidekiq
by codesnips 3 tabs
java 
package com.shop.inventory;

import jakarta.persistence.*;

@Entity
@Table(name = "inventory_item")

Optimistic Locking on Inventory Updates with @Version and a Retrying Conflict Handler in Spring Boot

spring-boot jpa hibernate
by codesnips 3 tabs
go 
package main

import (
  "context"
  "net/http"
  "time"

HTTP server timeouts that prevent slowloris and stuck connections

go http reliability
by Leah Thompson 1 tab