update docs

CHANGES.md

@@ -3,6 +3,8 @@ CHANGES
 
 ## 3.3.5-RC
 
+* Improvement: Site URL settings must be set
+* Improvement: Site URL settings can be set with environment variable
 * Fix: "Anyone with the link" ACL doesn't work correctly
     * Introduced 3.3.0
 * Fix: Related pages list of /admin/user-group-detail/xxx doesn't show anything

README.md

@@ -157,6 +157,7 @@ Environment Variables
     * NODE_ENV: `production` OR `development`.
     * PORT: Server port. default: `3000`.
     * NO_CDN: If `true`, system doesn't use CDN, all resources will be downloaded from CDN when build client, and served by the GROWI Express server. default: `false`.
+    * APP_SITE_URL: Site URL. e.g. `https://example.com`, `https://example.com:8080`
     * ELASTICSEARCH_URI: URI to connect to Elasticearch.
     * REDIS_URI: URI to connect to Redis (use it as a session store instead of MongoDB).
     * PASSWORD_SEED: A password seed used by password hash generator.