migration to remove old phashes

migrations/0.6.5.js

@@ -0,0 +1,12 @@
+'use strict';
+
+module.exports = async(db, redis) => {
+
+	console.log('remove older phashes');
+	await db.collection('posts').updateMany({}, {
+		'$unset': {
+			'files.$[].phash': ''
+		}
+	});
+
+};

package.json

@@ -1,7 +1,7 @@
 {
   "name": "jschan",
   "version": "0.6.5",
-  "migrateVersion": "0.6.3",
+  "migrateVersion": "0.6.5",
   "description": "",
   "main": "server.js",
   "dependencies": {