init

internal/adapters/logger/log.go

@@ -0,0 +1,40 @@
+package logger
+
+import (
+	"gerald/internal/adapters/config"
+	"os"
+	"time"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/pkgerrors"
+)
+
+func NewLogger(config *config.Config) zerolog.Logger {
+	level, err := zerolog.ParseLevel(config.LoggingLevel)
+	if err != nil {
+		panic(err)
+	}
+
+	//zerolog global settings
+	zerolog.ErrorStackMarshaler = pkgerrors.MarshalStack
+	zerolog.LevelFieldName = "lvl"
+	zerolog.MessageFieldName = "msg"
+	zerolog.DurationFieldUnit = time.Millisecond
+	zerolog.DurationFieldInteger = true
+
+	//zerolog output settings
+	output := zerolog.ConsoleWriter{
+		Out:        os.Stderr,
+		NoColor:    false,
+		TimeFormat: time.Stamp,
+		PartsOrder: []string{
+			zerolog.TimestampFieldName,
+			zerolog.LevelFieldName,
+			zerolog.MessageFieldName,
+			zerolog.CallerFieldName,
+		},
+	}
+
+	//create adapted logger with output settings
+	return zerolog.New(output).Level(level).With().Timestamp().Logger()
+}