added restart policy in comments

docker-compose.yml

     database:
         build: ./postgresql
         container_name: roundcube-postgresql
+#        restart: unless-stopped
         networks:
             roundcube.internal.docker:
                 aliases:
     roundcube:
         build: ./roundcube
         container_name: roundcube-roundcube
+#        restart: unless-stopped
         networks:
             roundcube.internal.docker:
                 aliases: