refactor: remove global logger

internal/logging/logging.go

@@ -1,41 +0,0 @@
-package logging
-
-import (
-	"os"
-	"sync"
-	"time"
-)
-
-import (
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-)
-
-// newDefaultProductionLog configures a custom log that is
-// intended for use by default if no other log is specified
-// in a config. It writes to stderr, uses the console encoder,
-// and enables INFO-level logs and higher.
-func newDefaultProductionLog() *zap.Logger {
-	encCfg := zap.NewProductionEncoderConfig()
-	// if interactive terminal, make output more human-readable by default
-	encCfg.EncodeTime = func(ts time.Time, encoder zapcore.PrimitiveArrayEncoder) {
-		encoder.AppendString(ts.Format("2006/01/02 15:04:05.000"))
-	}
-	encCfg.EncodeLevel = zapcore.CapitalColorLevelEncoder
-	enc := zapcore.NewConsoleEncoder(encCfg)
-	core := zapcore.NewCore(enc, zapcore.Lock(os.Stdout), zap.NewAtomicLevelAt(zap.DebugLevel))
-	return zap.New(core)
-
-}
-
-// Log returns the current default logger.
-func Log() *zap.Logger {
-	defaultLoggerMu.RLock()
-	defer defaultLoggerMu.RUnlock()
-	return defaultLogger
-}
-
-var (
-	defaultLogger   = newDefaultProductionLog()
-	defaultLoggerMu sync.RWMutex
-)

internal/logging/zap.go

@@ -0,0 +1,13 @@
+package logging
+
+import (
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+func NewZapLogger() (*zap.Logger, error) {
+	zapCfg := zap.NewDevelopmentConfig()
+	zapCfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
+	zapCfg.EncoderConfig.EncodeTime = zapcore.TimeEncoderOfLayout("2006/01/02 15:04:05.000")
+	return zapCfg.Build()
+}