Improved initialization

App.go

@@ -18,11 +18,16 @@ type App struct {
 	posts map[string]*Post
 }
 
-func (app *App) Init() {
-	app.html = loadClean("public/app.html")
+func New() *App {
+	html := loadClean("public/app.html")
 	css := loadClean("public/app.css")
-	app.html = strings.Replace(app.html, "{head}", fmt.Sprintf("{head}<style>%s</style>", css), 1)
-	app.posts = loadPosts("posts")
+	html = strings.Replace(html, "{head}", fmt.Sprintf("{head}<style>%s</style>", css), 1)
+	posts := loadPosts("posts")
+
+	return &App{
+		html:  html,
+		posts: posts,
+	}
 }
 
 func (app *App) Run() {

main.go

@@ -1,7 +1,6 @@
 package main
 
 func main() {
-	app := App{}
-	app.Init()
+	app := New()
 	app.Run()
 }