postgres-operator/README.md

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# Postgres Operator
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The Postgres Operator enables highly-available [PostgreSQL](https://www.postgresql.org/)
clusters on Kubernetes (K8s) powered by [Patroni](https://github.com/zalando/spilo).
It is configured only through manifests to ease integration into automated CI/CD
pipelines with no access to Kubernetes directly.
### Operator features
* Rolling updates on Postgres cluster changes
* Volume resize without Pod restarts
* Database connection pooler
* Cloning Postgres clusters
* Logical backups to S3 Bucket
* Standby cluster from S3 WAL archive
* Configurable for non-cloud environments
* UI to create and edit Postgres cluster manifests
### PostgreSQL features
* Supports PostgreSQL 9.6+
* Streaming replication cluster via Patroni
* Point-In-Time-Recovery with
[pg_basebackup](https://www.postgresql.org/docs/11/app-pgbasebackup.html) /
[WAL-E](https://github.com/wal-e/wal-e) via [Spilo](https://github.com/zalando/spilo)
* Preload libraries: [bg_mon](https://github.com/CyberDem0n/bg_mon),
[pg_stat_statements](https://www.postgresql.org/docs/9.4/pgstatstatements.html),
[pgextwlist](https://github.com/dimitri/pgextwlist),
[pg_auth_mon](https://github.com/RafiaSabih/pg_auth_mon)
* Incl. popular Postgres extensions such as
[decoderbufs](https://github.com/debezium/postgres-decoderbufs),
[hypopg](https://github.com/HypoPG/hypopg),
[pg_cron](https://github.com/citusdata/pg_cron),
[pg_partman](https://github.com/pgpartman/pg_partman),
[pg_stat_kcache](https://github.com/powa-team/pg_stat_kcache),
[pgq](https://github.com/pgq/pgq),
[plpgsql_check](https://github.com/okbob/plpgsql_check),
[postgis](https://postgis.net/),
[set_user](https://github.com/pgaudit/set_user) and
[timescaledb](https://github.com/timescale/timescaledb)
The Postgres Operator has been developed at Zalando and is being used in
production for over two years.
## Getting started
For a quick first impression follow the instructions of this
[tutorial](docs/quickstart.md).
## Documentation
There is a browser-friendly version of this documentation at
[postgres-operator.readthedocs.io](https://postgres-operator.readthedocs.io)
* [How it works](docs/index.md)
* [Installation](docs/quickstart.md#deployment-options)
* [The Postgres experience on K8s](docs/user.md)
* [The Postgres Operator UI](docs/operator-ui.md)
* [DBA options - from RBAC to backup](docs/administrator.md)
* [Build, debug and extend the operator](docs/developer.md)
* [Configuration options](docs/reference/operator_parameters.md)
* [Postgres manifest reference](docs/reference/cluster_manifest.md)
* [Command-line options and environment variables](docs/reference/command_line_and_environment.md)
## Google Summer of Code
The Postgres Operator made it to the [Google Summer of Code 2019](https://summerofcode.withgoogle.com/organizations/5429926902104064/)!
Check [our ideas](docs/gsoc-2019/ideas.md#google-summer-of-code-2019)
and start discussions in [the issue tracker](https://github.com/zalando/postgres-operator/issues).
## Community
There are two places to get in touch with the community:
1. The [GitHub issue tracker](https://github.com/zalando/postgres-operator/issues)
2. The **#postgres-operator** [slack channel](https://postgres-slack.herokuapp.com)