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// screenshot of postgresql.org ↗

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PostgreSQL is the most advanced open-source relational database — ACID-compliant, SQL-standard-compliant, with extensions for JSON, geospatial, time-series, full-text search, vector search. The default modern application database, deployed everywhere from indie projects to Fortune 500 production.

Install via WHMCS → Visit postgresql.org ↗
⚙️ DevOps & Infrastructure Min 512 MB RAM Port 5432 (tcp) Tier free
// What it is

A closer look.

PostgreSQL is the most advanced open-source relational database — ACID-compliant, SQL-standard-compliant, with extensions for JSON, geospatial, time-series, full-text search, vector search. The default modern application database, deployed everywhere from indie projects to Fortune 500 production.

If your data model is relational and your scale isn't web-scale (yet), PostgreSQL is almost always the right choice.

// Use cases

What it's for.

Concrete scenarios where teams pick PostgreSQL over the SaaS alternative.

◆

Application database

primary storage for any modern app

◈

Geospatial data

PostGIS extension for maps and location-aware apps

◇

Time-series

TimescaleDB extension for metrics / IoT

▣

Vector search

pgvector extension for AI / RAG

▦

Analytics

materialized views, window functions, CTEs for complex queries

// Who it's for

Built for these teams.

If your team profile matches one of these, PostgreSQL is a strong fit out of the box.

Profile A

Application developers

building modern SaaS / web / mobile apps

Profile B

Data engineers

running analytics on transactional data

Profile C

AI engineers

using pgvector for RAG storage

Profile D

DBAs

managing production databases at any scale

Profile E

Indie developers

preferring battle-tested over trendy

// Differentiators

Why teams pick PostgreSQL.

When evaluating self-hosted options for this category, here are the dimensions on which PostgreSQL consistently lands above the alternatives.

  • ✓PostgreSQL license — permissive, no vendor lock-in
  • ✓Standards-compliant SQL — predictable, portable
  • ✓Extension ecosystem — PostGIS, pgvector, TimescaleDB, foreign data wrappers
  • ✓JSONB — first-class JSON support with indexing
  • ✓MVCC — concurrent reads + writes without locking
  • ✓30+ years of maturity — bugs you'll find are likely your own
// Integrations

Connects to.

The stack you'll plug PostgreSQL into — services, protocols, and adjacent apps in the BluixApps catalog.

◇
Application drivers
every language has a battle-tested Postgres driver
◈
Extensions
PostGIS, pgvector, TimescaleDB, pg_trgm, hstore, citext
◆
Replication
async + sync streaming replication; logical replication
▣
Backup tools
pg_dump, pg_basebackup, pgBackRest, WAL-G, Barman
▦
Connection pooling
PgBouncer, pgcat, AWS RDS Proxy
▩
Admin tools
pgAdmin, DBeaver, JetBrains DataGrip, psql
▼
Monitoring
Prometheus postgres_exporter, pganalyze, PgHero
// Adoption & deployment

Notable users & community

  • 15k+ GitHub stars on postgres/postgres (mirror)
  • Used by Instagram, Apple, Stripe, Reddit, Yandex for production workloads
  • Backed by The PostgreSQL Global Development Group
  • Standard DB in every backend developer's toolkit
  • Massive Stack Overflow / Reddit / community presence

What we ship

  • Docker compose: PostgreSQL single-node
  • Pinned postgres:17 (current major)
  • Postgres password auto-generated; surfaced in install report
  • Persistent volume at /var/lib/postgresql/data
  • Common extensions enabled: pgvector, pg_trgm, citext
  • Sane defaults tuned for VPS workloads
  • Backup hook covers pg_dump output + data directory
// Tips & operations

Run it properly.

Operational guidance from running this in production — what to do before you scale, what to lock down, what surprises people.

// PERFORMANCE
shared_buffers to 25% of RAM
single biggest perf tuning lever
// SECURITY
Use connection pooling
PgBouncer in front of Postgres for any app over 50 concurrent users
// OPERATIONS
Backup strategy mandatory
pg_basebackup + WAL archiving = point-in-time recovery
// RELIABILITY
Monitor pg_stat_statements
identify slow queries proactively
// DEPLOYMENT
Vacuum + analyze
autovacuum is default, but tune for write-heavy workloads
// SCALING
Persistent volume on SSD
Postgres is I/O sensitive
512
// min ram (MB)
5
// min disk (GB)
5432
// access port
tcp
// protocol
free
// bluixapps tier
5432:5432 · postgres:16-alpine
// docker image

Project resources

Official sitepostgresql.org ↗
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