Do not redirect but always return index.html on any url

internal/setup/setup.go

@@ -95,20 +95,21 @@ func Setup(config *config.Config) *gin.Engine {
 	}
 
 	r.StaticFileFS("/favicon.ico", "favicon.ico", http.FS(front.Frontend))
-	r.GET("/", func(c *gin.Context) {
-		indexHtml, err := front.Frontend.Open("index.html")
-		if err != nil {
-			panic(err)
-		}
-		defer indexHtml.Close()
-		c.Header("Content-Type", "text/html")
-		fileReader := bufio.NewReader(indexHtml)
-		_, err = io.Copy(c.Writer, fileReader)
-	})
+	r.GET("/", serveIndexHtml)
 
-	r.NoRoute(func(c *gin.Context) {
-		c.Redirect(http.StatusFound, "/")
-	})
+	r.NoRoute(serveIndexHtml)
 
 	return r
 }
+
+func serveIndexHtml(c *gin.Context) {
+	indexHtml, err := front.Frontend.Open("index.html")
+	if err != nil {
+		panic(err)
+	}
+	defer indexHtml.Close()
+	c.Header("Content-Type", "text/html")
+	c.Status(http.StatusOK)
+	fileReader := bufio.NewReader(indexHtml)
+	_, err = io.Copy(c.Writer, fileReader)
+}