### Install Redis using Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/litellm/chart/charts/redis/README.md

Installs the Bitnami Redis Helm chart using the 'helm install' command. This is the quickest way to get started.

```console
helm install my-release oci://registry-1.docker.io/bitnamicharts/redis
```

--------------------------------

### Install PostgreSQL Chart with values.yaml

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/apache-airflow/chart/charts/postgresql/README.md

Example of installing the PostgreSQL Helm chart by providing a YAML file containing configuration values.

```bash
helm install my-release -f values.yaml oci://REGISTRY_NAME/REPOSITORY_NAME/postgresql
```

--------------------------------

### Install PostgreSQL Chart with --set

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/apache-airflow/chart/charts/postgresql/README.md

Example of installing the PostgreSQL Helm chart using the --set argument to specify parameters like the database password. Remember to replace placeholders with your actual registry and repository names.

```bash
helm install my-release \
    --set auth.postgresPassword=secretpassword
    oci://REGISTRY_NAME/REPOSITORY_NAME/postgresql
```

--------------------------------

### Install Flowise with nameOverride

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/README.md

Use the `--set` argument to customize chart values during installation. This example sets the `nameOverride` parameter.

```bash
helm install my-release \
    --set nameOverride=my-name cowboysysop/flowise
```

--------------------------------

### Add Qdrant Helm Repository and Install

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/qdrant-qdrant/chart/README.md

Quickly add the Qdrant Helm repository, update it, and install a Qdrant instance using Helm.

```bash
helm repo add qdrant https://qdrant.github.io/qdrant-helm
helm repo update
helm upgrade -i your-qdrant-installation-name qdrant/qdrant
```

--------------------------------

### Start Minikube and Enable NVIDIA Plugin

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/generative-virtual-screening/chart/README.md

Starts Minikube with specific configurations for GPU access and enables the NVIDIA device plugin.

```bash
minikube start --driver docker --container-runtime docker --gpus all --cpus 8
minikube addons enable nvidia-device-plugin
```

--------------------------------

### Install Qdrant Helm Chart from Source

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/qdrant-qdrant/chart/README.md

Install the Qdrant Helm chart directly from its source directory using the Helm upgrade command.

```bash
helm upgrade -i your-qdrant-installation-name charts/qdrant
```

--------------------------------

### Set Role During Helm Install

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/vector/README.md

Example of how to set the Vector role (e.g., Agent) during chart installation using the `--set` flag.

```bash
helm install --name <RELEASE_NAME> \
  --set role=Agent \
  vector/vector
```

--------------------------------

### Install MariaDB Chart

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/mariadb/README.md

Installs the MariaDB chart using Helm. Ensure you have added the Bitnami repository first.

```console
helm repo add my-repo https://charts.bitnami.com/bitnami
helm install my-release my-repo/mariadb
```

--------------------------------

### Install MariaDB Chart with a Values File

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/mariadb/README.md

Install the MariaDB Helm chart by providing a YAML file with configuration values.

```bash
helm install my-release -f values.yaml my-repo/mariadb
```

--------------------------------

### Install Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/nvidia-network-operator/chart/charts/sriov-network-operator/README.md

Installs the Helm v3 binary using the official installation script. Ensure Helm is installed before proceeding with the operator deployment.

```bash
$ curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
$ chmod 500 get_helm.sh
$ ./get_helm.sh
```

--------------------------------

### Image Configuration Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/clickhouse/chart/charts/common/README.md

Example configuration for specifying Docker image details like registry, repository, tag, and pull policy.

```yaml
registry:
  type: string
  description: Docker registry where the image is located
  example: docker.io

repository:
  type: string
  description: Repository and image name
  example: bitnami/nginx

tag:
  type: string
  description: image tag
  example: 1.16.1-debian-10-r63

pullPolicy:
  type: string
  description: Specify a imagePullPolicy.

pullSecrets:
  type: array
  items:
    type: string
  description: Optionally specify an array of imagePullSecrets (evaluated as templates).

debug:
  type: boolean
  description: Set to true if you would like to see extra information on logs
  example: false

## An instance would be:
# registry: docker.io
# repository: bitnami/nginx
# tag: 1.16.1-debian-10-r63
# pullPolicy: IfNotPresent
# debug: false
```

--------------------------------

### Install kube-state-metrics Helm Chart

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/grafana-and-prometheus/chart/charts/prometheus/charts/kube-state-metrics/README.md

Installs the kube-state-metrics Helm chart for a given release name. Flags can be used for customization.

```console
helm install [RELEASE_NAME] prometheus-community/kube-state-metrics [flags]
```

--------------------------------

### Install Traefik with Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/traefik/README.md

Basic installation of the Traefik Helm chart. This command deploys Traefik with default configurations.

```bash
helm install traefik traefik/traefik
```

--------------------------------

### Install Helm Chart

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/generative-virtual-screening/chart/README.md

Installs the Generative Virtual Screening Helm chart. Ensure you are in the 'generative-virtual-screening-chart/' directory.

```bash
cd generative-virtual-screening-chart/
helm install "${CHART_NAME}" . --debug
```

--------------------------------

### Install PostgreSQL Chart with values.yaml

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/postgresql/README.md

Installs the PostgreSQL chart using a custom configuration defined in a values.yaml file.

```console
helm install my-release -f values.yaml oci://registry-1.docker.io/bitnamicharts/postgresql
```

--------------------------------

### Install Development Version of Network Operator

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/nvidia-network-operator/chart/README.md

Clone the repository, update chart dependencies, and install the Network Operator using Helm. View deployed pods to confirm installation.

```bash
# Clone Network Operatro Repository
$ git clone https://github.com/Mellanox/network-operator.git

# Update chart dependencies
$ cd network-operator/deployment/network-operator && helm dependency update

# Install Operator
$ helm install -n network-operator --create-namespace --wait network-operator ./

# View deployed resources
$ kubectl -n network-operator get pods
```

--------------------------------

### Install Argo CD Chart with Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/argo-project-argo-cd/chart/README.md

Installs the Argo CD chart using Helm, adding the repository and then performing the installation with a specified release name.

```bash
$ helm repo add argo https://argoproj.github.io/argo-helm
"argo" has been added to your repositories

$ helm install my-release argo/argo-cd
NAME: my-release
...
```

--------------------------------

### Install MariaDB Chart with Root Password and Database

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/mariadb/README.md

Use the `--set` argument to specify the root password and create a database during Helm installation.

```bash
helm install my-release \
  --set auth.rootPassword=secretpassword,auth.database=app_database \
    my-repo/mariadb
```

--------------------------------

### Install Redis HA Helm Chart

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/argo-project-argo-cd/chart/charts/redis-ha/README.md

Installs the redis-ha chart with default configurations. This deploys a highly available Redis master/slave setup with Sentinel.

```bash
helm install dandydev/redis-ha
```

--------------------------------

### Get MLflow Tracking Credentials

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ml-flow/README.md

Retrieve MLflow Tracking username and password from Kubernetes secrets. Ensure you have kubectl installed and configured for your cluster.

```bash
export MLFLOW_TRACKING_USERNAME=$(kubectl get secret mlflow-tracking -n <namespace> -o jsonpath="{.data.admin-user}" | base64 --decode)
export MLFLOW_TRACKING_PASSWORD=$(kubectl get secret mlflow-tracking -n <namespace> -o jsonpath="{.data.admin-password}" | base64 --decode)
echo $MLFLOW_TRACKING_USERNAME
echo $MLFLOW_TRACKING_PASSWORD
```

--------------------------------

### README.md Links Section Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/Create-Application-Guide.md

Provides an example of how to structure the 'Links' section in a `README.md` file, including documentation and source code links.

```markdown
## Links

[Documentation](https://nginx.org/en/docs/index.html)
[Source code](https://github.com/nginx/nginx)
```

--------------------------------

### UI Installation Form Field Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/Create-Application-Guide.md

Defines a string input field for a Gravity UI Dynamic Form. The field name must correspond to a path in chart/values.yaml.

```yaml
"gradioExampleValues.simpleString": {
  "type": "string",
  "viewSpec": {
    "layoutTitle": "String input",
    "layout": "row",
    "type": "base",
    "disabled": false
  },
  "required": true
}
```

--------------------------------

### Adding Init Containers to ClickHouse Pods

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/clickhouse/chart/README.md

Define init containers to perform setup tasks before the main ClickHouse container starts. Specify the container name, image, and ports.

```yaml
initContainers:
  - name: your-image-name
    image: your-image
    imagePullPolicy: Always
    ports:
      - name: portname
        containerPort: 1234
```

--------------------------------

### Basic Configuration Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/nebius-observability-agent/README.md

A basic configuration for the Nebius Observability Agent, enabling both logs and metrics collection while excluding the 'kube-system' namespace.

```yaml
config:
  logs:
    enabled: true
    collectAgentLogs: false
    excludedNamespaces:
      - kube-system

  metrics:
    enabled: true
    collectAgentMetrics: false
    collectK8sClusterMetrics: false
```

--------------------------------

### Start Minikube Cluster and Enable Metrics

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/vector/docs/quickstart.md

Start a local Kubernetes cluster using minikube and enable the metrics-server addon. This is useful for local development and testing.

```bash
minikube start
minikube addons enable metrics-server
minikube status
```

--------------------------------

### Validate Multiple Values with common.validations.values.multiple.empty

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/clickhouse/charts/zookeeper/charts/common/README.md

This example shows how to use the 'common.validations.values.multiple.empty' helper to ensure that specific values are not empty. It defines configurations for two values and demonstrates how to set them during Helm installation.

```yaml
{{- $validateValueConf00 := (dict "valueKey" "path.to.value00" "secret" "secretName" "field" "password-00") -}}
{{- $validateValueConf01 := (dict "valueKey" "path.to.value01" "secret" "secretName" "field" "password-01") -}}

{{ include "common.validations.values.multiple.empty" (dict "required" (list $validateValueConf00 $validateValueConf01) "context" $)
}}
```

--------------------------------

### Show All Configurable Options

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/grafana-and-prometheus/chart/charts/prometheus/README.md

Run this command to display all configurable options with detailed comments for the Prometheus Helm chart.

```console
helm show values prometheus-community/prometheus
```

--------------------------------

### Install KubeRay CRDs and Operator Separately

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/vllm/chart/charts/kuberay-operator/README.md

Installs KubeRay CRDs using kubectl and then installs the KubeRay operator using Helm, skipping CRD installation. This is useful when different permissions are required for CRD and operator installations.

```sh
# Step 1: Install CRDs only (for cluster admin)
kubectl create -k "github.com/ray-project/kuberay/ray-operator/config/crd?ref=v1.1.0&timeout=90s"

# Step 2: Install KubeRay operator only. (for developer)
helm install kuberay-operator kuberay/kuberay-operator --version 1.1.0 --skip-crds
```

--------------------------------

### Install KubeRay Operator (Stable)

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ray-serve/chart/charts/kuberay-operator/README.md

Installs both CRDs and the KubeRay operator from the official Helm repository. Ensure you have Helm v3+ installed.

```bash
helm repo add kuberay https://ray-project.github.io/kuberay-helm/

# Install both CRDs and KubeRay operator v1.4.0.
helm install kuberay-operator kuberay/kuberay-operator --version 1.4.0

# Check the KubeRay operator Pod in `default` namespace
kubectl get pods
# NAME                                READY   STATUS    RESTARTS   AGE
# kuberay-operator-6fcbb94f64-mbfnr   1/1     Running   0          17s
```

--------------------------------

### Install Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/nvidia-network-operator/chart/README.md

Installs the Helm package manager using a provided script. Ensure Helm is installed before proceeding with chart deployments.

```bash
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 500 get_helm.sh
./get_helm.sh
```

--------------------------------

### Install Python Libraries

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/generative-virtual-screening/nebius-changes/files/generative-virtual-screening.ipynb

Installs necessary Python libraries for cheminformatics and 3D visualization. Ensure these are installed before proceeding with NIM interactions.

```python
! pip install py3Dmol
! pip install rdkit

import os

import py3Dmol
import requests
from IPython.display import display
from rdkit import Chem
from rdkit.Chem import Draw
```

--------------------------------

### Download Hugging Face Notebooks

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/jupyterhub/chart/files/notebooks/default.ipynb

Clone the Hugging Face notebooks repository to access example code and tutorials.

```bash
!git clone https://github.com/huggingface/notebooks.git
```

--------------------------------

### Install MLflow using Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ml-flow/chart/README.md

Installs the MLflow Helm chart with a specified release name. Ensure you have Helm 3.2.0+ and Kubernetes 1.19+ installed.

```console
helm install my-release oci://registry-1.docker.io/bitnamicharts/mlflow
```

--------------------------------

### Initialize MariaDB Instance with Custom Scripts

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/mariadb/README.md

Use custom scripts for initializing a fresh MariaDB instance. Scripts can be provided directly or via a ConfigMap. Supported extensions are .sh, .sql, and .sql.gz.

```bash
helm install my-release bitnami/mariadb --set initdbScriptsConfigMap=my-configmap
```

--------------------------------

### Run Hello Milvus Script

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/milvus-milvus/testing_scripts/readme.md

Execute hello_milvus.py after installing Milvus and setting up port forwarding to check accessibility and basic operations. Consider commenting out the collection deletion block for repeated runs.

```python
python3 hello_milvus.py
```

--------------------------------

### Persistence Configuration Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/clickhouse/chart/charts/common/README.md

Example configuration for enabling and defining persistence settings for a Helm chart, including storage class, access mode, and size.

```yaml
enabled:
  type: boolean
  description: Whether enable persistence.
  example: true

storageClass:
  type: string
  description: Ghost data Persistent Volume Storage Class, If set to "-", storageClassName: "" which disables dynamic provisioning.
  example: "-"

accessMode:
  type: string
  description: Access mode for the Persistent Volume Storage.
  example: ReadWriteOnce

size:
  type: string
  description: Size the Persistent Volume Storage.
  example: 8Gi

path:
  type: string
  description: Path to be persisted.
  example: /bitnami

## An instance would be:
# enabled: true
# storageClass: "-"
# accessMode: ReadWriteOnce
# size: 8Gi
# path: /bitnami
```

--------------------------------

### Install Milvus CLI

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/milvus-milvus/testing_scripts/readme.md

Install the milvus-cli package using pip3.

```bash
pip3 install milvus-cli
```

--------------------------------

### Install CRDs and KubeRay Operator Separately

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ray-serve/chart/charts/kuberay-operator/README.md

Installs CRDs and the KubeRay operator as separate steps, useful when different permissions are required. The operator is installed using the `--skip-crds` flag.

```bash
# Step 1: Install CRDs only (for cluster admin)
kubectl create -k "github.com/ray-project/kuberay/ray-operator/config/crd?ref=v1.4.0&timeout=90s"

# Step 2: Install KubeRay operator only. (for developer)
helm install kuberay-operator kuberay/kuberay-operator --version 1.4.0 --skip-crds
```

--------------------------------

### Redis Entrypoint Script

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/redis/templates/NOTES.txt

Command to replicate the container startup script for Redis.

```bash
/opt/bitnami/scripts/redis/entrypoint.sh /opt/bitnami/scripts/redis/run.sh
```

--------------------------------

### Example values.yaml for ExistingSecret

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/flowise/chart/charts/postgresql/charts/common/README.md

Shows how to configure the 'existingSecret' in your values.yaml file, specifying the secret name and key mappings.

```yaml
# values.yaml
---
name: mySecret
keyMapping:
  password: myPasswordKey
```

--------------------------------

### Traefik HorizontalPodAutoscaler Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/cvat-cvat/chart/charts/traefik/EXAMPLES.md

Example of a HorizontalPodAutoscaler resource for Traefik, defining scaling parameters.

```yaml
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: release-name-traefik
  namespace: flux-system
  labels:
    app.kubernetes.io/name: traefik
    app.kubernetes.io/instance: release-name-flux-system
    helm.sh/chart: traefik-24.0.0
    app.kubernetes.io/managed-by: Helm
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: release-name-traefik
  maxReplicas: 3

```

--------------------------------

### Install KubeRay Operator and RayCluster

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ray-serve/chart/README.md

This sequence of commands sets up a KinD cluster, adds the KubeRay Helm repository, installs the KubeRay operator and CRDs, and then installs a RayCluster. It includes specific instructions for x86_64 and arm64 architectures.

```sh
# Step 1: Create a KinD cluster
kind create cluster

# Step 2: Register a Helm chart repo
helm repo add kuberay https://ray-project.github.io/kuberay-helm/

# Step 3: Install both CRDs and KubeRay operator v1.1.0.
helm install kuberay-operator kuberay/kuberay-operator --version 1.1.0

# Step 4: Install a RayCluster custom resource
# (For x86_64 users)
helm install raycluster kuberay/ray-cluster --version 1.1.0
# (For arm64 users, e.g. Mac M1)
# See here for all available arm64 images: https://hub.docker.com/r/rayproject/ray/tags?page=1&name=aarch64
helm install raycluster kuberay/ray-cluster --version 1.1.0 --set image.tag=nightly-aarch64
```

--------------------------------

### README.md Legal Section Example

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/Create-Application-Guide.md

Shows an example of the 'Legal' section in a `README.md` file, referencing terms and conditions for third-party components like Helm charts and Nginx.

```markdown
## Legal

By using the application, you agree to their terms and conditions: [the helm-chart](https://github.com/nebius/nebius-k8s-applications/blob/main/LICENSE) and [Nginx](https://nginx.org/LICENSE).
```

--------------------------------

### Install Weaviate using Helm

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/weaviate/chart/README.md

Installs Weaviate on your Kubernetes cluster using the added Helm chart.

```bash
helm install my-weaviate weaviate/weaviate
```

--------------------------------

### Redis Entrypoint Scripts

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/ray-serve/chart/charts/redis/templates/NOTES.txt

Commands to replicate container startup scripts for Redis and Redis Sentinel.

```bash
/opt/bitnami/scripts/redis/entrypoint.sh /opt/bitnami/scripts/redis/run.sh
```

```bash
/opt/bitnami/scripts/redis-sentinel/entrypoint.sh /opt/bitnami/scripts/redis-sentinel/run.sh
```

--------------------------------

### Uninstall Qdrant Helm Installation

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/qdrant-qdrant/chart/README.md

Remove a Qdrant installation managed by Helm using the uninstall command.

```bash
helm uninstall your-qdrant-installation-name
```

--------------------------------

### ClickHouse Entrypoint Script

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/clickhouse/chart/templates/NOTES.txt

Command to replicate the container startup scripts for ClickHouse.

```bash
/opt/bitnami/scripts/clickhouse/entrypoint.sh /opt/bitnami/scripts/clickhouse/run.sh
```

--------------------------------

### Install Redis Cluster

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/litellm/chart/charts/redis/README.md

Install the Redis cluster using Helm, specifying the values.yaml file and cluster configuration.

```bash
helm install new-redis  -f values.yaml .  --set cluster.enabled=true  --set cluster.slaveCount=3
```

--------------------------------

### PostgreSQL Container Startup Script

Source: https://github.com/nebius/nebius-k8s-applications/blob/main/apache-airflow/chart/charts/postgresql/templates/NOTES.txt

This command replicates the container startup scripts for PostgreSQL, useful for debugging or understanding the initialization process.

```bash
/opt/bitnami/scripts/postgresql/entrypoint.sh /opt/bitnami/scripts/postgresql/run.sh
```