cache buster

src/util/build-number.go

@@ -0,0 +1,20 @@
+package util
+
+import (
+	"fmt"
+	"os"
+)
+
+var buildNumber string
+
+func GetBuildNumber() string {
+	if buildNumber == "" {
+		b, err := os.ReadFile("build_number") // just pass the file name
+		if err != nil {
+			fmt.Print(err)
+		}
+		buildNumber = string(b)
+	}
+
+	return buildNumber
+}