use SEARCHBOX_SSL_URL to connect

src/server/crowi/index.js

@@ -332,7 +332,7 @@ Crowi.prototype.setupPassport = async function() {
 Crowi.prototype.setupSearcher = async function() {
   const self = this;
   const searcherUri = this.env.ELASTICSEARCH_URI
-    || this.env.BONSAI_URL
+    || this.env.SEARCHBOX_SSL_URL
     || null;
 
   if (searcherUri) {

src/server/util/search.js

@@ -107,7 +107,7 @@ SearchClient.prototype.shouldIndexed = function(page) {
   return page.creator != null && page.revision != null && page.redirectTo == null;
 };
 
-// BONSAI_URL is following format:
+// SEARCHBOX_SSL_URL is following format:
 // => https://{ID}:{PASSWORD}@{HOST}
 SearchClient.prototype.parseUri = function(uri) {
   let indexName = 'crowi';