feat: 实现 panic 日志打印到文件中

backend/log/writer.go

@@ -8,10 +8,12 @@ import (
 	"log"
 	"os"
 	"path"
+	"runtime"
 	"sort"
 	"strings"
 	"sync"
 	"sync/atomic"
+	"syscall"
 	"time"
 	"unsafe"
 )
@@ -78,6 +80,8 @@ var _asyncBufferPool = sync.Pool{
 	},
 }
 
+var stdErrFileHandler *os.File
+
 func NewWriterFromConfig(c *Config) (RollingWriter, error) {
 	if c.LogPath == "" || c.FileName == "" {
 		return nil, ErrInvalidArgument
@@ -92,6 +96,16 @@ func NewWriterFromConfig(c *Config) (RollingWriter, error) {
 	if err != nil {
 		return nil, err
 	}
+	stdErrFileHandler = file
+
+	if runtime.GOOS != "windows" {
+		if err = syscall.Dup2(int(file.Fd()), int(os.Stderr.Fd())); err != nil {
+			return nil, err
+		}
+		runtime.SetFinalizer(stdErrFileHandler, func(fd *os.File) {
+			fd.Close()
+		})
+	}
 
 	mng, err := NewManager(c)
 	if err != nil {

backend/server/server.go

@@ -28,8 +28,8 @@ import (
 
 func Start() {
 	viper.Init()
-	app.Init()
 	log.Init()
+	app.Init()
 	db.Init()
 	migration.Init()
 	validator.Init()