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devexamples

Structured Logging With slog

Emit structured logs with the standard slog package so records carry typed key-value attributes that are easy to filter and correlate.

GoResilience

Code

snippet
package main

import (
	"log/slog"
	"os"
)

func main() {
	logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{
		Level: slog.LevelInfo,
	}))

	logger.Info("request handled",
		slog.String("method", "GET"),
		slog.String("path", "/users/42"),
		slog.Int("status", 200),
		slog.Duration("latency", 0),
	)

	logger.Error("dependency failed",
		slog.String("dependency", "postgres"),
		slog.Int("attempt", 3),
	)
}

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