The Postgres Operator delivers an easy to run highly-available PostgreSQL clusters on Kubernetes (K8s) powered by Patroni. It is configured only through Postgres manifests (CRDs) to ease integration into automated CI/CD pipelines with no access to Kubernetes API directly, promoting infrastructure as code vs manual operations.
- Rolling updates on Postgres cluster changes, incl. quick minor version updates
- Live volume resize without pod restarts (AWS EBS, PVC)
- Database connection pooling with PGBouncer
- Support fast in place major version upgrade to PG13. Supports global upgrade of all clusters.
- Restore and cloning Postgres clusters (incl. major version upgrade)
- Additionally logical backups to S3 bucket can be configured
- Standby cluster from S3 WAL archive
- Configurable for non-cloud environments
- Basic credential and user management on K8s, eases application deployments
- Support for custom TLS certificates
- UI to create and edit Postgres cluster manifests
- Works well on Amazon AWS, Google Cloud, OpenShift and locally on Kind
- Support for AWS EBS gp2 to gp3 migration, supporting iops and throughput configuration
- Supports PostgreSQL 14, starting from 9.6+
- Streaming replication cluster via Patroni
- Point-In-Time-Recovery with pg_basebackup / WAL-E via Spilo
- Preload libraries: bg_mon, pg_stat_statements, pgextwlist, pg_auth_mon
- Incl. popular Postgres extensions such as decoderbufs, hypopg, pg_cron, pg_partman, pg_stat_kcache, pgq, plpgsql_check, postgis, set_user and timescaledb
The Postgres Operator has been developed at Zalando and is being used in production for over three years.
If you are already using the Postgres operator in older version with a Spilo 12 Docker image you need to be aware of the changes for the backup path. We introduce the major version into the backup path to smoothen the major version upgrade that is now supported.
The new operator configuration can set a compatibility flag enable_spilo_wal_path_compat to make Spilo look for wal segments in the current path but also old format paths. This comes at potential performance costs and should be disabled after a few days.
The newest Spilo image is: registry.opensource.zalan.do/acid/spilo-14:2.1-p3
The last Spilo 12 image is: registry.opensource.zalan.do/acid/spilo-12:1.6-p5
For a quick first impression follow the instructions of this tutorial.
There is a browser-friendly version of this documentation at postgres-operator.readthedocs.io
- How it works
- Installation
- The Postgres experience on K8s
- The Postgres Operator UI
- DBA options - from RBAC to backup
- Build, debug and extend the operator
- Configuration options
- Postgres manifest reference
- Command-line options and environment variables
There are two places to get in touch with the community:
- The GitHub issue tracker
- The #postgres-operator slack channel
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