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

controller/build_app.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"os"
+	"os/exec"
+)
+
+// ---- Run npm build ----
+func runNpmBuild() error {
+    cmd := exec.Command("npm", "run", "build")
+    if os.Getenv("RUNNING_IN_DOCKER") == "true" {
+        cmd.Dir = "/app"
+    }
+    cmd.Stdout = os.Stdout
+    cmd.Stderr = os.Stderr
+    return cmd.Run()
+}