MM-21898 - Part 1: Generate and use an interface instead of *A… (#13840)

* Generate and use an interface instead of *App

api4/image.go

@@ -15,7 +15,7 @@ func getImage(c *Context, w http.ResponseWriter, r *http.Request) {
 	url := r.URL.Query().Get("url")
 
 	if *c.App.Config().ImageProxySettings.Enable {
-		c.App.ImageProxy.GetImage(w, r, url)
+		c.App.ImageProxy().GetImage(w, r, url)
 	} else {
 		http.Redirect(w, r, url, http.StatusFound)
 	}