package main import "github.com/kataras/iris/v12" func main() { app := iris.New() app.Get("/", func(ctx iris.Context) { ctx.WriteGzip([]byte("Hello World!")) ctx.Header("X-Custom", "Headers can be set here after WriteGzip as well, because the data are kept before sent to the client when using the context's GzipResponseWriter and ResponseRecorder.") }) app.Get("/2", func(ctx iris.Context) { // same as the `WriteGzip`. // However GzipResponseWriter gives you more options, like // reset data, disable and more, look its methods. ctx.GzipResponseWriter().WriteString("Hello World!") }) app.Listen(":8080") }