[Dovecot] Use Redis ACL user quota_notify with restricted access

data/Dockerfiles/dovecot/quota_notify.py

@@ -23,7 +23,7 @@ else:
 
 while True:
   try:
-    r = redis.StrictRedis(host='redis', decode_responses=True, port=6379, db=0, password=os.environ['REDISPASS'])
+    r = redis.StrictRedis(host='redis', decode_responses=True, port=6379, db=0, username='quota_notify', password='')
     r.ping()
   except Exception as ex:
     print('%s - trying again...'  % (ex))

data/conf/redis/redis-conf.sh

@@ -2,6 +2,7 @@
 
 cat <<EOF > /redis.conf
 requirepass $REDISPASS
+user quota_notify on nopass ~QW_* -@all +get +hget +ping
 EOF
 
 exec redis-server /redis.conf