- 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
| Operator | Version | Database |
|---|---|---|
| Percona PostgreSQL | v2.8.2 | PostgreSQL 18.x |
| Percona Server MongoDB | v1.21.2 | MongoDB 8.0.x |
Always use latest versions. Operators include built-in backup, monitoring, and HA management.
Deployment Tiers
| Tier | PostgreSQL | MongoDB | HA |
|---|---|---|---|
| minimal/small | 1 replica | 1 replica | No |
| medium/production | 3 replicas + PgBouncer | 3 replicas (ReplicaSet) | Yes |
Installation
See references/postgresql.md and references/mongodb.md for deployment.
Get Connections
# 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 -dReference 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