Seq Logger

Overview

go-seqlogger is a custom log handler for sending structured logs to Seq using Go's slog package.

Installation

go get github.com/swczk/go-seqlogger

Usage

Basic Configuration

import (
    "log/slog"
    "github.com/swczk/go-seqlogger"
)

// Create default configuration
config := seqlogger.DefaultConfig("http://seq-example:5341").
    WithAPIKey("your-api-key").
    WithLogLevel(slog.LevelInfo).
    WithSourceTracking().
    WithRequestIDKey("request-id")

// Create logger
logger := seqlogger.New(config)

// Log messages
logger.Info("User logged in", "user_id", 123)
logger.Error("Failed to process request", "error", err)

// Logging with JSON data
logger.Info("User registration",
    "user", `{"id": 123, "name": "John Doe", "details": {"age": 30, "city": "New York"}}`,
    "registration_source", "web"
)

Configuration Options

• Endpoint: Seq server URL
• APIKey: Authentication key for Seq
• LogLevel: Minimum log level to send
• AddSource: Include source code location
• RequestIDKey: Context key for request tracing

Features

• Structured logging
• Seq CLEF format compatibility
• Configurable log levels
• Source code tracking
• Request ID injection

License

MIT License