docs(setup): add ArgoCD, FluxCD, and OpenShift install guides

.github/workflows/ci.yml

@@ -65,6 +65,7 @@ jobs:
           kubectl create -f https://github.com/stashed/installer/raw/master/crds/stash-crds.yaml
           kubectl create -f https://github.com/kubevault/installer/raw/master/crds/kubevault-crds.yaml
           kubectl create -f https://github.com/kubedb/installer/raw/master/crds/kubedb-crds.yaml
+          kubectl create -f https://github.com/kubedb/installer/raw/master/bundle/manifests/installer.kubedb.com_kubedbs.yaml
           kubectl create -f https://github.com/kubernetes-csi/external-snapshotter/raw/master/client/config/crd/snapshot.storage.k8s.io_volumesnapshotclasses.yaml
           kubectl create -f https://github.com/kubestash/installer/raw/master/crds/kubestash-crds.yaml
           # recommendation
@@ -92,6 +93,11 @@ jobs:
           kubectl create -f https://raw.githubusercontent.com/virtual-secrets/apimachinery/refs/heads/master/crds/config.virtual-secrets.dev_secretstores.yaml
           kubectl create -f https://raw.githubusercontent.com/virtual-secrets/apimachinery/refs/heads/master/crds/virtual-secrets.dev_secretmounts.yaml
           kubectl create -f https://raw.githubusercontent.com/virtual-secrets/apimachinery/refs/heads/master/crds/virtual-secrets.dev_secrets.yaml
+          # argocd crds
+          kubectl create -f https://github.com/argoproj/argo-cd/raw/v3.4.3/manifests/crds/application-crd.yaml
+          # fluxcd crds
+          # kubectl create -f https://github.com/fluxcd/helm-controller/raw/v1.3.0/config/crd/bases/helm.toolkit.fluxcd.io_helmreleases.yaml
+          # kubectl create -f https://github.com/fluxcd/source-controller/raw/v1.6.2/config/crd/bases/source.toolkit.fluxcd.io_helmrepositories.yaml
 
       - name: Check codespan schema
         run: |

docs/operatormanual/recommendation/configuration.md

@@ -19,7 +19,7 @@ section_menu_id: operatormanual
 Before using KubeDB Recommendations, ensure that:
 
 * You have a running Kubernetes cluster with `kubectl` configured (e.g. via [kind](https://kind.sigs.k8s.io/docs/user/quick-start/)).
-* KubeDB is installed following the [setup guide](/docs/setup/install/kubedb.md), with the Supervisor enabled:
+* KubeDB is installed following the [setup guide](/docs/setup/install/kubedb/_index.md), with the Supervisor enabled:
 
   ```bash
   --set supervisor.enabled=true

docs/setup/README.md

@@ -18,14 +18,14 @@ aliases:
 # Setup
 
 <div style="text-align: center;">
-  <a class="button is-info is-medium is-active has-text-weight-normal" href="/docs/setup/install/kubedb.md"  style="background:#FC6011; width: 18rem;">Install KubeDB</a>
+  <a class="button is-info is-medium is-active has-text-weight-normal" href="/docs/setup/install/kubedb/_index.md"  style="background:#FC6011; width: 18rem;">Install KubeDB</a>
 </div>
 <br>
 
 The setup section contains instructions for installing the KubeDB and its various components in Kubernetes. This section has been divided into the following sub-sections:
 
 - **Install KubeDB:** Installation instructions for KubeDB and its various components.
-  - [KubeDB](/docs/setup/install/kubedb.md): Installation instructions for KubeDB.
+  - [KubeDB](/docs/setup/install/kubedb/_index.md): Installation instructions for KubeDB.
   - [KubeDB kubectl Plugin](/docs/setup/install/kubectl_plugin.md): Installation instructions for KubeDB `kubectl` plugin.
   - [Troubleshooting](/docs/setup/install/troubleshoting.md): Troubleshooting guide for various installation problems.
 

docs/setup/install/kubedb/_index.md

@@ -0,0 +1,39 @@
+---
+title: Install KubeDB
+description: Installation guide for KubeDB
+menu:
+  docs_{{ .version }}:
+    identifier: install-kubedb-enterprise
+    name: KubeDB
+    parent: installation-guide
+    weight: 20
+product_name: kubedb
+menu_name: docs_{{ .version }}
+section_menu_id: setup
+---
+
+# Install KubeDB
+
+## Get a Free License
+
+Download a FREE license from [AppsCode License Server](https://appscode.com/issue-license?p=kubedb).
+
+> KubeDB licensing process has been designed to work with CI/CD workflow. You can automatically obtain a license from your CI/CD pipeline by following the guide from [here](https://github.com/appscode/offline-license-server#offline-license-server).
+
+## Choose an Installation Method
+
+KubeDB can be installed in several ways. Pick the one that fits your workflow:
+
+- [Helm 3](/docs/setup/install/kubedb/helm.md) — recommended for most users.
+- [YAML](/docs/setup/install/kubedb/yaml.md) — render manifests and apply with `kubectl`.
+- [ArgoCD](/docs/setup/install/kubedb/argocd.md) — GitOps via ArgoCD `Application` resources.
+- [FluxCD](/docs/setup/install/kubedb/fluxcd.md) — GitOps via the Flux Helm Controller.
+- [OpenShift](/docs/setup/install/kubedb/openshift.md) — standard chart, Red Hat certified chart, or OperatorHub.
+
+After installing, see [Common Configuration](/docs/setup/install/kubedb/configuration.md) to enable database engines and verify the installation.
+
+## Purchase KubeDB License
+
+If you are interested in purchasing KubeDB license, please contact us via sales@appscode.com for further discussion. You can also set up a meeting via our [calendly link](https://calendly.com/appscode/30min).
+
+If you are willing to purchase KubeDB but need more time to test in your dev cluster, feel free to contact sales@appscode.com. We will be happy to extend your trial period.