codesnips

Leah Thompson

78 code snips · on codesnips 6 months

Go backend engineer sharing production-grade patterns for APIs, concurrency, and data systems. I focus on reliability: timeouts, idempotency, observability, and clean service...

go 
package retry

import (
  "context"
  "math/rand"
  "time"

Exponential backoff with jitter for retries

go reliability retry
by Leah Thompson 1 tab
go 
package deps

import (
  "context"
  "net/http"

Token bucket rate limiter for outbound calls

go rate-limit http
by Leah Thompson 1 tab
go 
package pool

import "context"

type Job func(ctx context.Context) error

Bounded worker pool with backpressure

go concurrency worker-pool
by Leah Thompson 1 tab
go 
package service

import (
  "context"

  "golang.org/x/sync/errgroup"

Fan-out with errgroup and shared cancellation

go concurrency context
by Leah Thompson 1 tab
go 
package main

import (
  "context"
  "log"
  "net/http"

Graceful shutdown: draining HTTP + background workers

go http shutdown
by Leah Thompson 1 tab
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