# Documentation

> Documentation for six components of the PostgreSQL community stack.

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LLMS index: [llms.txt](/llms.txt)

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Choose a component to explore its guides and reference documentation.

- [Patroni](/docs/patroni/)
- [pgBackRest](/docs/pgbackrest/)
- [PgBouncer](/docs/pgbouncer/)
- [pgBadger](/docs/pgbadger/)
- [HAProxy](/docs/haproxy/)
- [etcd](/docs/etcd/)
{.cards}

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Section pages:

- [Patroni 4.1.5 Documentation](/docs/patroni/): Overview of Patroni high-availability documentation for PostgreSQL.
- [pgBackRest 2.59.1 Documentation](/docs/pgbackrest/): Reliable PostgreSQL Backup & Restore — pgBackRest documentation and reference.
- [PgBouncer 1.25.2 Documentation](/docs/pgbouncer/): PgBouncer - Lightweight connection pooler for PostgreSQL
- [pgBadger 13.2 Documentation](/docs/pgbadger/): Fast PostgreSQL and PgBouncer log analysis with detailed, self-contained reports
- [HAProxy 3.4.4 Documentation](/docs/haproxy/): Complete English Markdown edition of the HAProxy 3.4 Starter, Configuration, and Management manuals
- [etcd 3.7 Documentation](/docs/etcd/): Official etcd 3.7 guides for developers, operators, upgrades, APIs, and internals.