default logger

logger/context.go

@@ -21,7 +21,7 @@ func WithContext(ctx context.Context, logger Logger) context.Context {
 func FromContext(ctx context.Context) Logger {
 	logger := ctx.Value(loggerKey{})
 	if logger == nil {
-		return Discard()
+		return Default
 	}
 	return logger.(Logger)
 }

logger/logger.go

@@ -33,6 +33,9 @@ type Logger interface {
 	WithField(string, interface{}) Logger
 }
 
+// Default returns the default logger.
+var Default = Discard()
+
 // Discard returns a no-op logger
 func Discard() Logger {
 	return &discard{}