---

name: k8s-databases description: PostgreSQL and MongoDB on Kubernetes via Percona Operators. Use when deploying databases, configuring HA clusters, setting up backups, monitoring, or performing database operations.

K8s Databases

Percona Operators for PostgreSQL and MongoDB. (Updated: January 2026). All deployments are idempotent - operators reconcile to desired state.

Percona Operators

Always use latest versions. Operators include built-in backup, monitoring, and HA management.

Deployment Tiers

Installation

See references/postgresql.md and references/mongodb.md for deployment.

Get Connections

Copy# PostgreSQL
kubectl get secret myapp-pg-pguser-myapp -n databases \
  -o jsonpath='{.data.uri}' | base64 -d

# MongoDB
kubectl get secret myapp-mongo-secrets -n databases \
  -o jsonpath='{.data.MONGODB_DATABASE_ADMIN_URI}' | base64 -d

Reference Files

• references/postgresql.md - PostgreSQL HA cluster
• references/postgresql-single.md - PostgreSQL single instance
• references/mongodb.md - MongoDB ReplicaSet
• references/backups.md - Backup with MinIO
• references/monitoring.md - Metrics and alerting