Application database
primary storage for any modern app
// official site: postgresql.org ↗
DEVOPS · FREE TIER
PostgreSQLfree
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.
// 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.
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.
Application developers
building modern SaaS / web / mobile apps
Data engineers
running analytics on transactional data
AI engineers
using pgvector for RAG storage
DBAs
managing production databases at any scale
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 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
// Alternatives in DevOps
Compare with
Project resources
Official sitepostgresql.org ↗