Embed static and templates folder when compiling, RenderTemplate now renders and serves from the embedded filesystem

app/app.go

@@ -3,10 +3,12 @@ package app
 import (
 	"GoWeb/config"
 	"database/sql"
+	"embed"
 )
 
 // App contains and supplies available configurations and connections
 type App struct {
-	Config config.Configuration
-	Db     *sql.DB
+	Config config.Configuration // Configuration file
+	Db     *sql.DB              // Database connection
+	Res    *embed.FS            // Resources from the embedded filesystem
 }

main.go

@@ -5,12 +5,16 @@ import (
 	"GoWeb/config"
 	"GoWeb/database"
 	"GoWeb/routes"
+	"embed"
 	"log"
 	"net/http"
 	"os"
 	"time"
 )
 
+//go:embed templates static
+var res embed.FS
+
 func main() {
 	// Create instance of App
 	appLoaded := app.App{}
@@ -18,6 +22,9 @@ func main() {
 	// Load config file to application
 	appLoaded.Config = config.LoadConfig()
 
+	// Load templates
+	appLoaded.Res = &res
+
 	// Create logs directory if it doesn't exist
 	if _, err := os.Stat("logs"); os.IsNotExist(err) {
 		err := os.Mkdir("logs", 0755)

templating/templateHelper.go

@@ -7,11 +7,39 @@ import (
 	"net/http"
 )
 
+// RenderTemplate renders and serves a template from the embedded filesystem optionally with given data
 func RenderTemplate(app *app.App, w http.ResponseWriter, contentPath string, data any) {
 	templatePath := app.Config.Template.BaseName
 
-	t, _ := template.ParseFiles(templatePath, contentPath)
-	err := t.Execute(w, data)
+	templateContent, err := app.Res.ReadFile(templatePath)
+	if err != nil {
+		log.Println(err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	t, err := template.New(templatePath).Parse(string(templateContent))
+	if err != nil {
+		log.Println(err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	content, err := app.Res.ReadFile(contentPath)
+	if err != nil {
+		log.Println(err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	t, err = t.Parse(string(content))
+	if err != nil {
+		log.Println(err)
+		http.Error(w, err.Error(), 500)
+		return
+	}
+
+	err = t.Execute(w, data)
 	if err != nil {
 		log.Println(err)
 		http.Error(w, err.Error(), 500)