Adds html5 download and changes mimetype

assets/components/LogContainer.vue

@@ -9,7 +9,12 @@
           <container-stat :stat="container.stat" :state="container.state"></container-stat>
         </div>
         <div class="column is-narrow">
-          <a class="button is-small is-outlined" id="download" :href="`${base}/api/logs/download?id=${container.id}`">
+          <a
+            class="button is-small is-outlined"
+            id="download"
+            :href="`${base}/api/logs/download?id=${container.id}`"
+            download
+          >
             <span class="icon">
               <icon name="save"></icon>
             </span>

web/routes.go

@@ -131,7 +131,7 @@ func (h *handler) downloadLogs(w http.ResponseWriter, r *http.Request) {
 	from := time.Unix(container.Created, 0)
 
 	w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%v.log.gz", container.ID))
-	w.Header().Set("Content-Type", "application/octet-stream")
+	w.Header().Set("Content-Type", "application/gzip")
 	zw := gzip.NewWriter(w)
 	defer zw.Close()
 	zw.Name = fmt.Sprintf("%v.log", container.ID)