How do I deploy the pgbouncer Helm chart on Digital Ocean Kubernetes Service?
In this guide, we will deploy the pgbouncer
Helm chart on a Kubernetes cluster provisioned on DigitalOcean using Pulumi. pgbouncer
is a lightweight connection pooler for PostgreSQL. We will create a DigitalOcean Kubernetes cluster, configure the necessary resources, and deploy the Helm chart.
Steps:
- Provision a DigitalOcean Kubernetes Cluster: We will create a Kubernetes cluster on DigitalOcean.
- Deploy the pgbouncer Helm Chart: Using the Pulumi Kubernetes provider, we will deploy the
pgbouncer
Helm chart to the cluster.
import * as pulumi from "@pulumi/pulumi";
import * as digitalocean from "@pulumi/digitalocean";
import * as k8s from "@pulumi/kubernetes";
// Create a DigitalOcean Kubernetes cluster
const cluster = new digitalocean.KubernetesCluster("do-cluster", {
region: digitalocean.Region.NYC3,
version: "1.21.5-do.0",
nodePool: {
name: "default",
size: digitalocean.DropletSlug.DropletS2VCPU2GB,
nodeCount: 2,
},
});
// Export the cluster's kubeconfig
export const kubeconfig = cluster.kubeConfigs[0].rawConfig;
// Create a Kubernetes provider instance using the kubeconfig
const k8sProvider = new k8s.Provider("k8sProvider", {
kubeconfig: kubeconfig,
});
// Deploy the pgbouncer Helm chart
const pgbouncer = new k8s.helm.v3.Chart("pgbouncer", {
chart: "pgbouncer",
version: "1.15.0",
fetchOpts: {
repo: "https://charts.bitnami.com/bitnami",
},
values: {
auth: {
username: "admin",
password: "password",
},
postgresql: {
host: "your-postgresql-host",
port: 5432,
database: "your-database",
user: "your-username",
password: "your-password",
},
},
}, { provider: k8sProvider });
export const pgbouncerName = pgbouncer.getResource("v1/Service", "pgbouncer").metadata.name;
Key Points
- DigitalOcean Kubernetes Cluster: We provisioned a Kubernetes cluster on DigitalOcean using the
digitalocean.KubernetesCluster
resource. - Kubernetes Provider: We created a Kubernetes provider instance using the cluster’s kubeconfig to interact with the cluster.
- Helm Chart Deployment: We deployed the
pgbouncer
Helm chart using thek8s.helm.v3.Chart
resource, specifying the chart details and configuration values.
Summary
We successfully deployed the pgbouncer
Helm chart on a DigitalOcean Kubernetes cluster using Pulumi. This involved provisioning the cluster, configuring the Kubernetes provider, and deploying the Helm chart with the necessary configuration values. This setup provides a scalable and efficient way to manage PostgreSQL connections in your applications.
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