codesnips

go

go 
package observability

import (
  "context"

  "go.opentelemetry.io/otel"

OpenTelemetry tracer provider with ratio-based sampling

go observability opentelemetry
by Leah Thompson 1 tab
go 
package store

import (
  "context"
  "time"

pgxpool initialization with max connections and statement timeout

go postgres pgx
by Leah Thompson 1 tab
go 
package api

import (
  "encoding/json"
  "net/http"
)

Consistent JSON responses (content-type + error envelopes)

go http json
by Leah Thompson 1 tab
go 
package validate

import (
	"regexp"
	"unicode/utf8"
)

Per-Field Signup Validation Errors With a Reusable Validator in Go

go validation http
by codesnips 2 tabs
go 
package middleware

import (
  "net/http"
  "sync/atomic"
)

Track in-flight requests with atomic counters

go observability concurrency
by Leah Thompson 1 tab
go 
package upload

import (
	"bufio"
	"errors"
	"fmt"

Streaming Multipart Upload Handler With MIME Sniffing in Go

go http multipart
by codesnips 3 tabs
go 
package feed

import (
	"encoding/base64"
	"encoding/json"
	"time"

Cursor-Based Keyset Pagination for a Postgres Feed API in Go

go postgres pagination
by codesnips 3 tabs
go 
package store

import (
  "context"
  "database/sql"
)

db/sql prepared statements with context and explicit Close

go sql postgres
by Leah Thompson 1 tab
go 
package limiter

import (
	"context"
	"errors"
)

Leaky-Bucket Concurrency Limiter with a Buffered Semaphore Channel in Go

go concurrency rate-limiting
by codesnips 3 tabs
go 
package httpretry

import (
	"math/rand"
	"time"
)

Exponential Backoff With Full Jitter for Flaky HTTP Calls in Go

go http retry
by codesnips 3 tabs
go 
package observability

import (
  "context"
  "log/slog"
  "os"

Request-scoped slog logger with JSON output (Go 1.21+)

go logging observability
by Leah Thompson 1 tab
go 
package retry

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

Exponential backoff with jitter for retries

go reliability retry
by Leah Thompson 1 tab