set content-type for files

microblog.go

@@ -19,8 +19,29 @@ import (
 const articlesDir = "data/articles"
 
 func main() {
-    http.HandleFunc("/", handlePage)
+    //http.HandleFunc("/", handlePage)
-    println("Server läuft auf http://localhost:8085")
+    println("Server startet http://localhost:8085")
+
+    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+        path := r.URL.Path
+        ext := filepath.Ext(path)
+
+        switch ext {
+        case ".css":
+            w.Header().Set("Content-Type", "text/css")
+        case ".jpg", ".jpeg":
+            w.Header().Set("Content-Type", "image/jpeg")
+        case ".png":
+            w.Header().Set("Content-Type", "image/png")
+        case ".gif":
+            w.Header().Set("Content-Type", "image/gif")
+        default:
+            handlePage
+        }
+
+        http.ServeFile(w, r, "."+path)
+    })
+    
     http.ListenAndServe(":8085", nil)
 }