docs: Creative Commons Attribution 4.0 International License (#7206)

gbartolini · web-flow · commit d7f2b5e4c367 · 2025-03-25T11:52:46.000+01:00
Relates to #7202 Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>
diff --git a/docs/LICENSE b/docs/LICENSE
diff --git a/docs/README.md b/docs/README.md
@@ -71,3 +71,10 @@ consider if they should be included in the curated [list of examples](src/sample
 And please help keeping the samples in the curated list, as well as any samples
 named `cluster-example-*` in runnable condition.
 These can be a big help for beginners.
+
+## License
+
+The CloudNativePG documentation and all the work under the `docs` folder is
+licensed under a Creative Commons Attribution 4.0 International License.
+
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
diff --git a/docs/markdown/pkg.tpl b/docs/markdown/pkg.tpl
@@ -1,4 +1,5 @@
 {{ define "packages" -}}
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 
 # API Reference
 
diff --git a/docs/src/appendixes/object_stores.md b/docs/src/appendixes/object_stores.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Appendix A - Common object stores for backups
 
 You can store the [backup](../backup.md) files in any service that is supported
diff --git a/docs/src/applications.md b/docs/src/applications.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Connecting from an application
 
 Applications are supposed to work with the services created by CloudNativePG
diff --git a/docs/src/architecture.md b/docs/src/architecture.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Architecture
 
 !!! Hint
diff --git a/docs/src/backup.md b/docs/src/backup.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Backup
 
 PostgreSQL natively provides first class backup and recovery capabilities based
diff --git a/docs/src/backup_barmanobjectstore.md b/docs/src/backup_barmanobjectstore.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Backup on object stores
 
 CloudNativePG natively supports **online/hot backup** of PostgreSQL
diff --git a/docs/src/backup_recovery.md b/docs/src/backup_recovery.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Backup and Recovery
 
 [Backup](backup.md) and [recovery](recovery.md) are in two separate sections.
diff --git a/docs/src/backup_volumesnapshot.md b/docs/src/backup_volumesnapshot.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Backup on volume snapshots
 
 !!! Warning
diff --git a/docs/src/before_you_start.md b/docs/src/before_you_start.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Before You Start
 
 Before we get started, it is essential to go over some terminology that is
diff --git a/docs/src/benchmarking.md b/docs/src/benchmarking.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Benchmarking
 
 The CNPG kubectl plugin provides an easy way for benchmarking a PostgreSQL deployment in Kubernetes using CloudNativePG.
diff --git a/docs/src/bootstrap.md b/docs/src/bootstrap.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Bootstrap
 
 This section describes the options available to create a new
diff --git a/docs/src/certificates.md b/docs/src/certificates.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Certificates
 
 CloudNativePG was designed to natively support TLS certificates.
diff --git a/docs/src/cloudnative-pg.v1.md b/docs/src/cloudnative-pg.v1.md
@@ -1,3 +1,5 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
+
 # API Reference
 
 <p>Package v1 contains API Schema definitions for the postgresql v1 API group</p>
diff --git a/docs/src/cluster_conf.md b/docs/src/cluster_conf.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Instance pod configuration
 
 ## Projected volumes
diff --git a/docs/src/connection_pooling.md b/docs/src/connection_pooling.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Connection pooling
 
 CloudNativePG provides native support for connection pooling with
diff --git a/docs/src/container_images.md b/docs/src/container_images.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Container Image Requirements
 
 The CloudNativePG operator for Kubernetes is designed to
diff --git a/docs/src/controller.md b/docs/src/controller.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Custom Pod Controller
 
 Kubernetes uses the
diff --git a/docs/src/database_import.md b/docs/src/database_import.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Importing Postgres databases
 
 This section describes how to import one or more existing PostgreSQL
diff --git a/docs/src/declarative_database_management.md b/docs/src/declarative_database_management.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # PostgreSQL Database Management
 
 CloudNativePG simplifies PostgreSQL database provisioning by automatically
diff --git a/docs/src/declarative_hibernation.md b/docs/src/declarative_hibernation.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Declarative hibernation
 
 CloudNativePG is designed to keep PostgreSQL clusters up, running and available
diff --git a/docs/src/declarative_role_management.md b/docs/src/declarative_role_management.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # PostgreSQL Role Management
 
 From its inception, CloudNativePG has managed the creation of specific roles
diff --git a/docs/src/e2e.md b/docs/src/e2e.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # End-to-End Tests
 
 CloudNativePG is automatically tested after each
diff --git a/docs/src/failover.md b/docs/src/failover.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Automated failover
 
 In the case of unexpected errors on the primary for longer than the
diff --git a/docs/src/failure_modes.md b/docs/src/failure_modes.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Failure Modes
 
 !!! Note
diff --git a/docs/src/faq.md b/docs/src/faq.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Frequently Asked Questions (FAQ)
 
 ## Running PostgreSQL in Kubernetes
diff --git a/docs/src/fencing.md b/docs/src/fencing.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Fencing
 
 Fencing in CloudNativePG is the ultimate process of protecting the
diff --git a/docs/src/image_catalog.md b/docs/src/image_catalog.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Image Catalog
 
 `ImageCatalog` and `ClusterImageCatalog` are essential resources that empower
diff --git a/docs/src/index.md b/docs/src/index.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # CloudNativePG
 
 **CloudNativePG** is an open-source
@@ -145,3 +146,6 @@ please consult the ["Before you start" section](before_you_start.md).
 *[Postgres, PostgreSQL and the Slonik Logo](https://www.postgresql.org/about/policies/trademarks/)
 are trademarks or registered trademarks of the PostgreSQL Community Association
 of Canada, and used with their permission.*
+
+The CloudNativePG documentation is licensed under a Creative Commons
+Attribution 4.0 International License.
diff --git a/docs/src/installation_upgrade.md b/docs/src/installation_upgrade.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Installation and upgrades
 
 ## Installation on Kubernetes
diff --git a/docs/src/instance_manager.md b/docs/src/instance_manager.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Postgres instance manager
 
 CloudNativePG does not rely on an external tool for failover management.
diff --git a/docs/src/kubectl-plugin.md b/docs/src/kubectl-plugin.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Kubectl Plugin
 
 CloudNativePG provides a plugin for `kubectl` to manage a cluster in Kubernetes.
diff --git a/docs/src/kubernetes_upgrade.md b/docs/src/kubernetes_upgrade.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Kubernetes Upgrade and Maintenance
 
 Maintaining an up-to-date Kubernetes cluster is crucial for ensuring optimal
diff --git a/docs/src/labels_annotations.md b/docs/src/labels_annotations.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Labels and annotations
 
 Resources in Kubernetes are organized in a flat structure, with no hierarchical
diff --git a/docs/src/logging.md b/docs/src/logging.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Logging
 
 CloudNativePG outputs logs in JSON format directly to standard output, including
diff --git a/docs/src/logical_replication.md b/docs/src/logical_replication.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Logical Replication
 
 PostgreSQL extends its replication capabilities beyond physical replication,
diff --git a/docs/src/monitoring.md b/docs/src/monitoring.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Monitoring
 
 !!! Important
diff --git a/docs/src/networking.md b/docs/src/networking.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Networking
 
 CloudNativePG assumes the underlying Kubernetes cluster has the required
diff --git a/docs/src/operator_capability_levels.md b/docs/src/operator_capability_levels.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Operator capability levels
 
 These capabilities were implemented by CloudNativePG,
diff --git a/docs/src/operator_conf.md b/docs/src/operator_conf.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Operator configuration
 
 The operator for CloudNativePG is installed from a standard
diff --git a/docs/src/postgis.md b/docs/src/postgis.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # PostGIS
 
 [PostGIS](https://postgis.net/) is a very popular open source extension
diff --git a/docs/src/postgresql_conf.md b/docs/src/postgresql_conf.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # PostgreSQL Configuration
 
 Users that are familiar with PostgreSQL are aware of the existence of the
diff --git a/docs/src/preview_version.md b/docs/src/preview_version.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Preview Versions
 
 CloudNativePG candidate releases are pre-release versions made available for
diff --git a/docs/src/quickstart.md b/docs/src/quickstart.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Quickstart
 
 This section guides you through testing a PostgreSQL cluster on your local machine by
diff --git a/docs/src/recovery.md b/docs/src/recovery.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Recovery
 
 In PostgreSQL terminology, recovery is the process of starting a PostgreSQL
diff --git a/docs/src/release_notes.md b/docs/src/release_notes.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Release notes
 
 History of user-visible changes for CloudNativePG, classified for each minor release.
diff --git a/docs/src/release_notes/edb-cloud-native-postgresql.md b/docs/src/release_notes/edb-cloud-native-postgresql.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Release notes for 1.14.0 and earlier
 
 The first public release of CloudNativePG is version 1.15.0. Before that,
diff --git a/docs/src/release_notes/v1.24.md b/docs/src/release_notes/v1.24.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Release notes for CloudNativePG 1.24
 
 History of user-visible changes in the 1.24 minor release of CloudNativePG.
diff --git a/docs/src/release_notes/v1.25.md b/docs/src/release_notes/v1.25.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Release notes for CloudNativePG 1.25
 
 History of user-visible changes in the 1.25 minor release of CloudNativePG.
diff --git a/docs/src/release_notes/v1.26.md b/docs/src/release_notes/v1.26.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Release notes for CloudNativePG 1.26
 
 History of user-visible changes in the 1.26 minor release of CloudNativePG.
diff --git a/docs/src/replica_cluster.md b/docs/src/replica_cluster.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Replica clusters
 
 A replica cluster is a CloudNativePG `Cluster` resource designed to
diff --git a/docs/src/replication.md b/docs/src/replication.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Replication
 
 Physical replication is one of the strengths of PostgreSQL and one of the
diff --git a/docs/src/resource_management.md b/docs/src/resource_management.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Resource management
 
 In a typical Kubernetes cluster, pods run with unlimited resources. By default,
diff --git a/docs/src/rolling_update.md b/docs/src/rolling_update.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Rolling Updates
 
 The operator allows changing the PostgreSQL version used in a cluster while
diff --git a/docs/src/samples.md b/docs/src/samples.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Examples
 
 The examples show configuration files for setting up
diff --git a/docs/src/scheduling.md b/docs/src/scheduling.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Scheduling
 
 Scheduling, in Kubernetes, is the process responsible for placing a new pod on
diff --git a/docs/src/security.md b/docs/src/security.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Security
 
 This section contains information about security for CloudNativePG,
diff --git a/docs/src/service_management.md b/docs/src/service_management.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Service Management
 
 A PostgreSQL cluster should only be accessed via standard Kubernetes network
diff --git a/docs/src/ssl_connections.md b/docs/src/ssl_connections.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Client TLS/SSL connections
 
 !!! Seealso "Certificates"
diff --git a/docs/src/storage.md b/docs/src/storage.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Storage
 
 Storage is the most critical component in a database workload.
diff --git a/docs/src/supported_releases.md b/docs/src/supported_releases.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Supported releases
 
 <!-- Inspired by https://github.com/istio/istio.io/blob/933b896c/content/en/docs/releases/supported-releases/index.md -->
diff --git a/docs/src/tablespaces.md b/docs/src/tablespaces.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Tablespaces
 
 A tablespace is a robust and widely embraced feature in database
diff --git a/docs/src/troubleshooting.md b/docs/src/troubleshooting.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Troubleshooting
 
 In this page, you can find some basic information on how to troubleshoot
diff --git a/docs/src/use_cases.md b/docs/src/use_cases.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # Use cases
 
 CloudNativePG has been designed to work with applications
diff --git a/docs/src/wal_archiving.md b/docs/src/wal_archiving.md
@@ -1,3 +1,4 @@
+<!-- SPDX-License-Identifier: CC-BY-4.0 -->
 # WAL archiving
 
 WAL archiving is the process that feeds a [WAL archive](backup.md#wal-archive)

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`3`	`4`	`# API Reference`
`4`	`5`