fix(access_logger): nil panic when stdout only, improve concurrency safety

internal/logging/accesslog/stdout.go

@@ -0,0 +1,32 @@
+package accesslog
+
+import (
+	"os"
+
+	"github.com/rs/zerolog"
+	"github.com/yusing/godoxy/internal/logging"
+)
+
+type Stdout struct {
+	logger zerolog.Logger
+}
+
+func NewStdout() Writer {
+	return &Stdout{logger: logging.NewLoggerWithFixedLevel(zerolog.InfoLevel, os.Stdout)}
+}
+
+func (s Stdout) Name() string {
+	return "stdout"
+}
+
+func (s Stdout) ShouldBeBuffered() bool {
+	return false
+}
+
+func (s Stdout) Write(p []byte) (n int, err error) {
+	return s.logger.Write(p)
+}
+
+func (s Stdout) Close() error {
+	return nil
+}