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internal/infra/assets/assets.go

@@ -0,0 +1,48 @@
+package assets
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+)
+
+func exeDir() string {
+	exe, err := os.Executable()
+	if err != nil {
+		panic(err)
+	}
+	return filepath.Dir(exe)
+}
+
+func GetAssetsDir() string {
+	exe, err := os.Executable()
+	if err != nil {
+		log.Println(
+			"[ASSETS][ERROR] Failed to resolve executable path.",
+			"This should never happen in a built binary.",
+			"Error:", err,
+		)
+		return ""
+	}
+
+	exeDir := filepath.Dir(exe)
+	assets := filepath.Join(exeDir, "assets")
+
+	if _, err := os.Stat(assets); err != nil {
+		log.Println(
+			"[ASSETS][ERROR] Assets directory not found next to binary.",
+			"This error ONLY occurs when the application is running from a built binary.",
+			"Expected path:", assets,
+			"Executable path:", exe,
+		)
+		return ""
+	}
+
+	log.Println(
+		"[ASSETS][OK] Static assets enabled.",
+		"Mode: production (binary execution).",
+		"Assets path:", assets,
+	)
+
+	return assets
+}

internal/interface/main-handler/main-handler.go

@@ -65,6 +65,7 @@ import (
 	hk "github.com/karincake/hongkue"
 
 	/******************** infra ********************/
+	assets "simrs-vx/internal/infra/assets"
 	ibpjs "simrs-vx/internal/infra/bpjs"
 	docscfg "simrs-vx/internal/infra/docs-cfg"
 	gs "simrs-vx/internal/infra/gorm-setting"
@@ -161,6 +162,12 @@ func SetRoutes() http.Handler {
 
 	r := http.NewServeMux()
 
+	r.Handle("/assets/",
+		http.StripPrefix("/assets/",
+			http.FileServer(http.Dir(assets.GetAssetsDir())),
+		),
+	)
+
 	/******************** Main ********************/
 	r.HandleFunc("/", home.Home)