Temporary fix for cron bug of NC 21.0

Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get -q update && \
     apt-get -qq install \
     cron \
     nano-tiny && \
-    echo "*/5 * * * * su - www-data -s /bin/bash -c \"php -f /var/www/html/cron.php\"" | crontab - && \
+    echo "*/5 * * * * su - www-data -s /bin/bash -c \"php -d memory_limit=-1 -f /var/www/html/cron.php\"" | crontab - && \
     sed -i '2 i\service cron start' /entrypoint.sh && \
     apt-get purge -y nano-tiny && \
     rm -rf /var/lib/apt/lists/* && \

nextcloud.env.example

@@ -4,6 +4,10 @@ NEXTCLOUD_ADMIN_PASSWORD=
 NEXTCLOUD_DATA_DIR=/var/www/html/data
 NEXTCLOUD_TABLE_PREFIX=nc_
 
+# PHP
+PHP_MEMORY_LIMIT=512M
+PHP_UPLOAD_LIMIT=1024M
+
 # Reverse-proxy and certbot
 VIRTUAL_HOST=subdomain.domain.tld
 VIRTUAL_PORT=80