refactor(common): logger to accept optional options

common/logger/config.go

@@ -1,5 +1,6 @@
 package logger
 
 type Config struct {
-	Json bool `yaml:"json" json:"json,omitempty" mapstructure:"json" default:"false"`
+	Level int  `yaml:"level" json:"level,omitempty" mapstructure:"level" default:"0"`
+	Json  bool `yaml:"json" json:"json,omitempty" mapstructure:"json" default:"false"`
 }

common/logger/logger.go

@@ -5,9 +5,26 @@ import (
 	"os"
 )
 
-func New(formatAsJson bool, opts *slog.HandlerOptions) *slog.Logger {
+type Option func(*slog.HandlerOptions)
+
+func WithLevel(level slog.Level) Option {
+	return func(opts *slog.HandlerOptions) {
+		opts.Level = level
+	}
+}
+
+func New(formatAsJson bool, options ...Option) *slog.Logger {
+	handlerOptions := &slog.HandlerOptions{}
+
+	if len(options) > 0 {
+		for _, option := range options {
+			option(handlerOptions)
+		}
+	}
+
 	if formatAsJson {
-		return slog.New(slog.NewJSONHandler(os.Stdout, opts))
+		return slog.New(slog.NewJSONHandler(os.Stdout, handlerOptions))
 	}
-	return slog.New(slog.NewTextHandler(os.Stdout, opts))
+
+	return slog.New(slog.NewTextHandler(os.Stdout, handlerOptions))
 }

gateway/cmd/serve.go

@@ -3,6 +3,7 @@ package cmd
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"os"
 	"os/signal"
 	"syscall"
@@ -20,7 +21,7 @@ func Serve(cfg *config.Config) error {
 	ctx, cancelFunc := signal.NotifyContext(context.Background(), syscall.SIGTERM, syscall.SIGINT)
 	defer cancelFunc()
 
-	logger := logger.New(cfg.Log.Json, nil)
+	logger := logger.New(cfg.Log.Json, logger.WithLevel(slog.Level(cfg.Log.Level)))
 	rdb := redis.NewClient(&redis.Options{
 		Addr:     fmt.Sprintf("%s:%d", cfg.Redis.Host, cfg.Redis.Port),
 		Username: cfg.Redis.Username,