Manual update of nextcloud

docker exec -it -u abc nextcloud bash

cd /config/www

mv nextcloud nextcloud.old

wget https://download.nextcloud.com/server/releases/<release>.zip

unzip <release>.zip

cp nextcloud.old/config/config.php nextcloud/config

#ensure maintenance mode set to false
ctrl+p+q
#docker exec -it nextcloud bash
#occ maintenance:mode --off
#ctrl+p+q

docker exec nextcloud occ maintenance:mode --off

#refresh your nextcloud instance in the browser and it should ask you to update in the gui

#Refresh all db settings -

docker exec -it nextcloud /bin/bash

cd /config/www/nextcloud

occ db:add-missing-primary-keys
occ db:convert-filecache-bigint
occ db:add-missing-indices

ctrl+p+q

docker stop nextcloud && docker rm nextcloud && docker-compose up -d nextcloud

#stolen and modified for docker from this github comment https://github.com/nextcloud/updater/issues/156#issuecomment-395443783