fix: embed templates directly

internal/admin/admin.go

@@ -1,9 +1,9 @@
 package admin
 
 import (
+	"embed"
 	"html/template"
 	"net/http"
-	"path/filepath"
 	"strconv"
 	"strings"
 
@@ -14,12 +14,12 @@ import (
 	"github.com/gorilla/sessions"
 )
 
+//go:embed templates/*.html
+var templateFS embed.FS
+
 const (
 	// Session store key
 	sessionKey = "butterrobot-session"
-
-	// Template directory
-	templateDir = "./internal/admin/templates"
 )
 
 // FlashMessage represents a flash message
@@ -63,9 +63,17 @@ func New(cfg *config.Config, database *db.Database) *Admin {
 		"contains": strings.Contains,
 	}
 
+	// Read base template from embedded filesystem
+	baseContent, err := templateFS.ReadFile("templates/_base.html")
+	if err != nil {
+		panic(err)
+	}
+
 	// Create a custom template with functions
-	baseTemplate := template.New("_base.html").Funcs(funcMap)
-	baseTemplate = template.Must(baseTemplate.ParseFiles(filepath.Join(templateDir, "_base.html")))
+	baseTemplate, err := template.New("_base.html").Funcs(funcMap).Parse(string(baseContent))
+	if err != nil {
+		panic(err)
+	}
 
 	// Parse and register all templates
 	templateFiles := []string{
@@ -78,11 +86,24 @@ func New(cfg *config.Config, database *db.Database) *Admin {
 	}
 
 	for _, tf := range templateFiles {
-		// Create a clone of the base template
-		t, err := template.Must(baseTemplate.Clone()).ParseFiles(filepath.Join(templateDir, tf))
+		// Read template content from embedded filesystem
+		content, err := templateFS.ReadFile("templates/" + tf)
 		if err != nil {
 			panic(err)
 		}
+		
+		// Create a clone of the base template
+		t, err := baseTemplate.Clone()
+		if err != nil {
+			panic(err)
+		}
+		
+		// Parse the template content
+		t, err = t.Parse(string(content))
+		if err != nil {
+			panic(err)
+		}
+		
 		templates[tf] = t
 	}