feat(controller): intial build functions setup in go and service building

controller/bump_build.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+)
+
+// ---- Handle Build Counter ----
+func bumpBuild() (int, error) {
+    data, err := os.ReadFile("../.build")
+    buildNum := 0
+    if err == nil { // if file exists, parse current number
+        num, err := strconv.Atoi(strings.TrimSpace(string(data)))
+        if err == nil {
+            buildNum = num
+        }
+    }
+    buildNum++
+    err = os.WriteFile("../.build", []byte(fmt.Sprintf("%d", buildNum)), 0644)
+    if err != nil {
+        return 0, err
+    }
+    return buildNum, nil
+}