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Kube-Nextcloud: Nextcloud tailored for Kubernetes / OpenShift

Current version

Nextcloud 21.0.1 PHP 7.3

WHAT'S THIS?

This is a distribution of Nextcloud that is tailored for running on Kubernetes or OpenShift.

Comparing with the official Nextcloud container image:

  1. Nextcloud root (/var/www/html) is shipped with image, which is read-only and not on a volume.
  2. Background jobs are scheduled by Kubernetes CronJobs rather than the native crond daemon.
  3. Upgrade procedure is not run automatically when a container starts, which significantly boosts the startup speed.
  4. It doesn't require the root permission.
  5. It is compatible with OpenShift by supporting for running as any UID.
  6. Filelocking is disabled.
  7. Doesn't suffer from I/O speed loss after interrupted large file downloads.
  8. Disabled permission checks on config and data directories because they are not reasonable for Kuburnetes volumes.

For more information, check out nextcloud/docker#381.

Play with docker-compose

This repo contains a simple docker-compose.yaml which allows you to run Nextcloud with PostgreSQL on a single machine.Just change the default user name and password of PostgreSQL database, then run

docker-compose up -d

Your Nextcloud server will be available at http://localhost:8080.

Deploy to Kubernetes/OpenShift

  1. Download manifests files.
  2. Change the default database password in
db-postgresql/nextcloud-db-secret.yaml
kube-nextcloud/nextcloud-secret.yaml
  1. Configure the way to expose your Nextcloud service.

  • If your Kubernetes cluster expose HTTP service with ingress-nginx, replace cloud.example.com in kube-nextcloud/nextcloud-ing.yaml with your desired domain name.

  • If your Kubernetes cluster supports load balancer, change type: ClusterIP in kube-nextcloud/nextcloud-svc.yaml to type: LoadBalancer.

  1. Deploy with:
# deploy Nextcloud
kubectl -f kube-nextcloud/
# deploy PostgreSQL database
kubectl -f db-postgresql/