codesnips

go

go 
package authtransport

import (
	"errors"
	"net/http"
)

Injecting Auth Headers via a Custom http.RoundTripper Decorator in Go

go http middleware
by codesnips 3 tabs
go 
package limit

import (
  "context"

  "golang.org/x/sync/semaphore"

Concurrency limiting with a context-aware semaphore

go concurrency context
by Leah Thompson 1 tab
go 
package web

import (
	"embed"
	"io/fs"
)

Serve Embedded Static Assets with embed.FS and Cache Headers in Go

go embed static-assets
by codesnips 3 tabs
go 
package fetch

import (
	"context"
	"net/http"

Bounded Fan-Out With Worker Pool, errgroup, and Result Collection in Go

go concurrency goroutines
by codesnips 3 tabs
go 
package migrate

import (
  "context"

  "github.com/jackc/pgx/v5/pgxpool"

Run database migrations on startup (with a guard)

go postgres migrations
by Leah Thompson 1 tab
go 
package webhooks

import (
  "bytes"
  "crypto/hmac"
  "crypto/sha256"

Webhook signature verification with HMAC (timing-safe compare)

go security http
by Leah Thompson 1 tab