deploying-postgres-k8slisted

# Deploying PostgreSQL on Kubernetes Deploy production-ready PostgreSQL clusters using CloudNativePG operator (v1.28+) with automated failover. ## Quick Start ```bash # 1. Install CloudNativePG operator kubectl apply --server-side -f \ https://raw.githubusercontent.com/cloudnative-pg/cloudnative-pg/release-1.28/releases/cnpg-1.28.0.yaml # 2. Wait for operator kubectl rollout status deployment -n cnpg-system cnpg-controller-manager # 3. Deploy PostgreSQL cluster kubectl apply -f - <<EOF apiVersion: postgresql.cnpg.io/v1 kind: Cluster metadata: name: pg-cluster spec: instances: 3 storage: size: 10Gi EOF # 4. Wait for cluster kubectl wait cluster/pg-cluster --for=condition=Ready --timeout=300s ``` ## Operator Installation ### Direct Manifest (Recommended) ```bash kubectl apply --server-side -f \ https://raw.githubusercontent.com/cloudnative-pg/cloudnative-pg/release-1.28/releases/cnpg-1.28.0.yaml # Verify kubectl rollout status deployment -n cnpg-system cnpg-controller-manager kubectl get pods -n cnpg-system ``` ### Helm Installation ```bash helm repo add cnpg https://cloudnative-pg.github.io/charts helm repo update helm upgrade --install cnpg \ --namespace cnpg-system \ --create-namespace \ cnpg/cloudnative-pg ``` ### Namespace-Scoped (Enhanced Security) ```bash helm upgrade --install cnpg \ --namespace cnpg-system \ --create-namespace \ --set config.clusterWide=false \ cnpg