Glossary
========

.. glossary::

   Ansible
      See https://docs.ansible.com/ansible/latest/index.html.

   Cluster
      In the context of this document it refers most of the time to a
      `Kubernetes Cluster <https://kubernetes.io/docs/concepts/architecture/>`_.

      The term is also used in the context of some components and applications
      like `PostgreSQL`_ or `etcd`_.

      Without further context it does refer to the `Kubernetes Cluster`_.

      .. _PostgreSQL: https://www.postgresql.org/
      .. _etcd: https://etcd.io/

   Instance
      An instance of the deployment, typically a cluster created based on this
      repository. It represents a specific deployment environment with its own
      configuration, resources, and state.

   CloudNativePG
      Kubernetes operator for PostgreSQL. See https://cloudnative-pg.io/.
      Documented in :ref:`app-postgresql`.

   Helm
      Package manager for Kubernetes. See https://helm.sh/.

   k0s
      See https://k0sproject.io/.

   k0s-nix
      Integrates :term:`k0s` into NixOS.

      See https://github.com/johbo/k0s-nix.

   k0sctl
      See https://docs.k0sproject.io/head/k0sctl-install/.

   Node
      Refers to a `Kubernetes Node
      <https://kubernetes.io/docs/concepts/architecture/nodes/>`_.

   PVC
   PersistentVolumeClaim
      A request for storage in Kubernetes. See
      https://kubernetes.io/docs/concepts/storage/persistent-volumes/.

   VolSync
      Replication and backup of persistent volumes. See
      https://volsync.readthedocs.io/. Documented in
      :ref:`sec-backup-restore`.