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go_slog_structured_logging_with_json_handler.go

go

A basic example demonstrating how to use the default logger a

19d ago21 linespkg.go.dev
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go_slog_structured_logging_with_json_handler.go
1package main
2
3import (
4	"log/slog"
5	"os"
6)
7
8func main() {
9	// Simple logging with the default logger
10	slog.Info("hello", "name", "Al")
11	slog.Error("oops", "net", "tcp", "addr", ":8080")
12
13	// Create a structured JSON logger that writes to standard output
14	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
15	
16	// Use the logger with key-value pairs
17	logger.Info("usage statistics",
18		slog.Int("current-memory", 50),
19		slog.Any("device", map[string]int{"cpu": 10}),
20	)
21}