First

Makefile

@@ -0,0 +1,25 @@
+APP_NAME = DDNSUpdater
+BIN_DIR = bin
+VERSION = 0.1.0
+
+all: build run
+
+build:
+	@if not exist $(BIN_DIR) mkdir $(BIN_DIR)
+	go build -ldflags "-s -w -X main.version=$(VERSION)" -o $(BIN_DIR)\$(APP_NAME).exe .
+
+run:
+	go run .
+
+clean:
+	@if exist $(BIN_DIR) rmdir /s /q $(BIN_DIR)
+
+windows:
+	@if not exist $(BIN_DIR) mkdir $(BIN_DIR)
+	set GOOS=windows&& set GOARCH=amd64&& go build -o $(BIN_DIR)\$(APP_NAME).exe .
+
+tidy:
+	go mod tidy
+
+fmt:
+	go fmt ./...

config.json

@@ -0,0 +1,4 @@
+{
+  "url": "https://triztech.pro/cpanelwebcall/TOKEN",
+  "interval_minutes": 300
+}

go.mod

@@ -0,0 +1,3 @@
+module triztech/hamza-zakaria/DDNSUpdater
+
+go 1.25.5

main.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+    "encoding/json"
+    "fmt"
+    "io/ioutil"
+    "net/http"
+    "os"
+    "time"
+)
+
+type Config struct {
+    URL           string `json:"url"`
+    IntervalMins  int    `json:"interval_minutes"`
+}
+
+// read config.json
+func loadConfig(path string) (*Config, error) {
+    file, err := ioutil.ReadFile(path)
+    if err != nil {
+        return nil, err
+    }
+    var cfg Config
+    err = json.Unmarshal(file, &cfg)
+    if err != nil {
+        return nil, err
+    }
+    return &cfg, nil
+}
+
+func updateDDNS(url string) {
+    resp, err := http.Get(url)
+    if err != nil {
+        fmt.Println("Error calling DDNS URL:", err)
+        return
+    }
+    defer resp.Body.Close()
+
+    if resp.StatusCode == http.StatusOK {
+        fmt.Println(time.Now(), "DDNS updated successfully")
+    } else {
+        fmt.Println(time.Now(), "Failed to update DDNS, status code:", resp.StatusCode)
+    }
+}
+
+func main() {
+    cfg, err := loadConfig("config.json")
+    if err != nil {
+        fmt.Println("Failed to load config:", err)
+        os.Exit(1)
+    }
+
+    ticker := time.NewTicker(time.Duration(cfg.IntervalMins) * time.Minute)
+    defer ticker.Stop()
+
+    // run immediately once
+    updateDDNS(cfg.URL)
+
+    for range ticker.C {
+        updateDDNS(cfg.URL)
+    }
+}