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README.md

Docker Nextcloud Role 🚀

This repository contains an Ansible role for deploying and managing Nextcloud using Docker. It covers configuration modifications, updates, backups, database management, and more. Additionally, OIDC (OpenID Connect) is supported (for example, via Keycloak).

Modify Config 🔧

Enter the Container

docker-compose exec -it application /bin/sh

Modify the Configuration

Inside the container, install a text editor and edit the config:

apk add --no-cache nano && nano config/config.php

Update 🔄

To update the Nextcloud container, execute the following commands on the server:

docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on &&
export COMPOSE_HTTP_TIMEOUT=600 &&
export DOCKER_CLIENT_TIMEOUT=600 &&
docker-compose down

Afterwards, update the applications.nextcloud.version variable to the next version and run this repository with this Ansible role.

Note:
It is only possible to update from one to the next major version at a time.
Wait for the update to finish.

Verify the update by checking the logs:

docker-compose logs application

and

docker-compose exec -it application top

If Nextcloud remains in maintenance mode after the update, try the following:

docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on
docker-compose exec -it -u www-data application /var/www/html/occ upgrade
docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --off

If the update process fails, execute:

docker-compose exec -it -u www-data application /var/www/html/occ maintenance:repair --include-expensive

and disable any non-functioning apps.

Recover Latest Backup 💾

cd {{path_docker_compose_instances}}nextcloud &&
docker-compose down &&
docker-compose exec -i database mysql -u nextcloud -pPASSWORT nextcloud < "/Backups/$(sha256sum /etc/machine-id | head -c 64)/backup-docker-to-local/latest/nextcloud_database/sql/backup.sql" &&
cd {{path_administrator_scripts}}backup-docker-to-local &&
bash ./recover-docker-from-local.sh "nextcloud_data" "$(sha256sum /etc/machine-id | head -c 64)"

Database Management 🗄️

Database Access

To access the database, execute:

docker-compose exec -it database mysql -u nextcloud -D nextcloud -p

Recreate Database with New Volume

docker-compose run --detach --name database --env MYSQL_USER="nextcloud" --env MYSQL_PASSWORD=PASSWORD --env MYSQL_ROOT_PASSWORD=PASSWORD --env MYSQL_DATABASE="nextcloud" -v nextcloud_database:/var/lib/mysql

Check the process with:

show processlist;

OCC (Nextcloud Command Line) 🔧

To use OCC, run:

docker-compose exec -it -u www-data application /var/www/html/occ

App Relevant Tables 🗃️

  • oc_appconfig
  • oc_migrations

Initialize Duplicates

docker-compose exec -it -u www-data application /var/www/html/occ duplicates:find-all --output

Unlock Files

docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on
docker-compose exec -it nextcloud_database_1 mysql -u nextcloud -pPASSWORD1234132 -D nextcloud -e "delete from oc_file_locks where 1"
docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --off

Identity and Access Management (IAM)

OpenID Connect (OIDC) Support 🔐

OIDC is supported in this role—for example, via Keycloak. OIDC-specific tasks are included when enabled, allowing integration of external authentication providers seamlessly.

LDAP

More information: https://docs.nextcloud.com/server/latest/admin_manual/configuration_user/user_auth_ldap.html

Further Information ℹ️

Author

Developed by: Kevin Veen-Birkenbach
Website: https://www.veen.world/

This README.md was created with the help of ChatGPT.

Enjoy and happy containerizing! 😄