fix lint

.github/workflows/lint.yml

@@ -13,6 +13,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.23'
       - uses: golangci/golangci-lint-action@v6
 

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.22'
+          go-version: '1.23'
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
         with:

go.mod

@@ -1,6 +1,6 @@
 module github.com/mxssl/ntwrk
 
-go 1.22
+go 1.23
 
 require (
 	github.com/joho/godotenv v1.5.1

main.go

@@ -50,7 +50,7 @@ func main() {
 
 	http.HandleFunc("/", rootHandler)
 
-	port := fmt.Sprintf(":" + port)
+	port := fmt.Sprintf(":%s", port)
 
 	server := http.Server{Addr: port}
 
@@ -88,7 +88,7 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
 	if mode == modeNative {
 		for _, ip := range re.FindStringSubmatch(r.RemoteAddr)[1:] {
 			if ip != "" {
-				fmt.Fprintf(w, ip+"\n")
+				fmt.Fprintf(w, "%s\n", ip)
 				slog.Info(
 					"request",
 					slog.String("source", ip),
@@ -98,7 +98,7 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
 	}
 	if mode == modeCloudflare {
 		ip := r.Header.Get("CF-Connecting-IP")
-		fmt.Fprintf(w, ip+"\n")
+		fmt.Fprintf(w, "%s\n", ip)
 		slog.Info(
 			"request",
 			"ip", ip,