package main import ( "embed" "strings" "text/template" "github.com/kataras/iris/v12" ) //go:embed embedded/locales/* var embeddedFS embed.FS func main() { app := newApp() app.Listen(":8080") } func newApp() *iris.Application { app := iris.New() // Set custom functions per locale! app.I18n.Loader.Funcs = func(current iris.Locale) template.FuncMap { return template.FuncMap{ "uppercase": func(word string) string { return strings.ToUpper(word) }, } } // Instead of: // err := app.I18n.Load("./locales/*/*.ini", "en-US", "el-GR") // Apply the below in order to build with embedded locales inside your executable binary. err := app.I18n.LoadFS(embeddedFS, "./embedded/locales/*/*.ini", "en-US", "el-GR") if err != nil { panic(err) } app.Get("/", func(ctx iris.Context) { text := ctx.Tr("forms.register") // en-US: prints "Become a MEMBER". ctx.WriteString(text) }) app.Get("/title", func(ctx iris.Context) { text := ctx.Tr("user.connections.Title") // en-US: prints "Accounts Connections". ctx.WriteString(text) }) return app }