🎉 now you can use --version to print version string

README.md

@@ -131,6 +131,10 @@ Please visit https://go-file.herokuapp.com/ to have a try yourself.
 3. 选择`在此处打开 PowerShell`（如果是 Windows 11 的话则需要先点击`显示更多选项`），
 4. 在打开的终端中输入：`./go-file --port 80 --video ./path/to/video`
 
+**使用 Docker 部署：**
+1. 拉取镜像：`docker pull justsong/go-file:latest`
+2. 运行：`docker -p 3000:3000 run justsong/go-file:latest`
+
 **注意：**
 1. 如果主机有多个 ip 地址，请使用 host 参数指定一个其他设备可访问的 ip 地址，如：`go-file.exe --host xxx.xxx.xxx.xxx`，否则二维码将生成错误。
 2. 默认配置下访客可以上传和下载文件，可在 `管理` -> `系统设置` 中修改权限配置。

common/constants.go

@@ -3,6 +3,7 @@ package common
 import (
 	"embed"
 	"flag"
+	"fmt"
 	"github.com/google/uuid"
 	"os"
 	"path"
@@ -11,7 +12,7 @@ import (
 )
 
 var StartTime = time.Now()
-var Version = "v0.4.2"
+var Version = "v0.4.3"
 var OptionMap map[string]string
 
 var ItemsPerPage = 10
@@ -51,11 +52,12 @@ const (
 )
 
 var (
-	Port      = flag.Int("port", 3000, "specify the server listening port.")
-	Host      = flag.String("host", "localhost", "the server's ip address or domain")
-	Path      = flag.String("path", "", "specify a local path to public")
-	VideoPath = flag.String("video", "", "specify a video folder to public")
-	NoBrowser = flag.Bool("no-browser", false, "open browser or not")
+	Port         = flag.Int("port", 3000, "specify the server listening port.")
+	Host         = flag.String("host", "localhost", "the server's ip address or domain")
+	Path         = flag.String("path", "", "specify a local path to public")
+	VideoPath    = flag.String("video", "", "specify a video folder to public")
+	NoBrowser    = flag.Bool("no-browser", false, "open browser or not")
+	PrintVersion = flag.Bool("version", false, "print version")
 )
 
 // UploadPath Maybe override by ENV_VAR
@@ -72,6 +74,13 @@ var SessionSecret = uuid.New().String()
 var SQLitePath = ".go-file.db"
 
 func init() {
+	flag.Parse()
+
+	if *PrintVersion {
+		fmt.Println(Version)
+		os.Exit(0)
+	}
+
 	if os.Getenv("SESSION_SECRET") != "" {
 		SessionSecret = os.Getenv("SESSION_SECRET")
 	}
@@ -84,7 +93,6 @@ func init() {
 		ImageUploadPath = path.Join(UploadPath, "images")
 		VideoServePath = UploadPath
 	}
-	flag.Parse()
 	if *Path != "" {
 		ExplorerRootPath = *Path
 	}