there we go

main.go

@@ -10,6 +10,7 @@ import (
 	"flag"
 	"log"
 	"os/exec"
+	"time"
 
 	filedriver "github.com/goftp/file-driver"
 	"github.com/goftp/server"
@@ -21,7 +22,7 @@ func main() {
 		user = flag.String("user", "admin", "Username for login")
 		pass = flag.String("pass", "123456", "Password for login")
 		port = flag.Int("port", 2121, "Port")
-		host = flag.String("host", "localhost", "Port")
+		host = flag.String("host", "", "Host")
 	)
 	flag.Parse()
 	if *root == "" {
@@ -43,7 +44,10 @@ func main() {
 				Password: *pass,
 			},
 			callback: func() {
-				log.Printf("callback: %v", exec.Command("sh", "-c", "cd /wiki; git add -A :/; git commit -m \"ftp upload\"").Run())
+				go func() {
+					time.Sleep(time.Second * 5)
+					log.Printf("callback: %v", exec.Command("sh", "-c", "cd /wiki; git add -A :/; git commit -m \"ftp upload\"").Run())
+				}()
 			},
 		},
 	}

test.py

@@ -0,0 +1,11 @@
+#! /bin/python3
+
+import ftplib
+import io
+import random
+
+ftp = ftplib.FTP()
+ftp.connect("localhost", 38081)
+ftp.login("admin", "123456")
+s = "".join(random.choices([chr(i) for i in range(ord('a'), ord('z'))], k=5))
+ftp.storlines('STOR test.py', io.BytesIO(s.encode()))

test.sh

@@ -1,6 +0,0 @@
-echo "
- user admin 123456
- ascii
- put Dockerfile
- bye
-" | ftp -n 127.0.0.1 2121