OPEN-SOURCE MIGRATION BENCHMARK
License: PostgreSQL License (MIT-style)
★ 13.4k GitHub Stars
Replace Pinecone Vector DB with Self-Hosted pgvector (PostgreSQL)
Store OpenAI/Ollama vector embeddings right inside your existing PostgreSQL database with ACID guarantees Stop paying Standard Pod / Serverless (~$70–$220/mo) ($70/mo for a 10-person team) and run pgvector (PostgreSQL) on a $4.50/mo Linux VPS with full data sovereignty.
10-Seat Annual Savings
+$786 / yr
vs Pinecone Vector DB standard plan
Container RAM & vCPU
256 MB RAM
0.5 vCPU • Migration: Instant (CREATE EXTENSION vector;)
Recommended Cloud Box
$4.50/mo VPS
Hetzner CX22 (4GB RAM / 2 vCPU)
1-to-100 Seat Total Cost of Ownership (TCO) Table
Comparing Pinecone Vector DB (Standard Pod / Serverless (~$70–$220/mo)) vs pgvector (PostgreSQL) on Hetzner CX22 (4GB RAM / 2 vCPU).
| Team Size | Pinecone Vector DB Cost | pgvector (PostgreSQL) VPS | Net Annual Savings |
|---|---|---|---|
| 1 Seat (Solo) | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
| 5 Seats | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
| 10 Seats | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
| 25 Seats | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
| 50 Seats | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
| 100 Seats | $70.00/mo ($840/yr) | $4.50/mo (CX22) | +$786 / year |
Production Docker Compose + Caddy Auto-SSL
Copy and run docker compose up -d on any Ubuntu 24.04 server.
# Production Docker Compose: pgvector (PostgreSQL) (Replaces Pinecone Vector DB)
services:
caddy:
image: caddy:2-alpine
restart: unless-stopped
ports:
- "80:80"
- "443:443"
volumes:
- ./Caddyfile:/etc/caddy/Caddyfile:ro
- caddy_data:/data
networks:
- stack_net
pgvector:
image: pgvector/pgvector:pg16
container_name: stack-pgvector
restart: unless-stopped
environment:
- "POSTGRES_PASSWORD=${POSTGRES_PASSWORD:-strongpassword}"
volumes:
- pgvector_data:/data
networks:
- stack_net
networks:
stack_net:
driver: bridge
volumes:
caddy_data:
pgvector_data:
Caddyfile (Automatic HTTPS Reverse Proxy):
# Automatic Let's Encrypt HTTPS for pgvector (PostgreSQL)
pgvector.{$DOMAIN:yourdomain.com} {
encode zstd gzip
reverse_proxy pgvector:5432
}
Why Teams Switch to pgvector (PostgreSQL)
- ✓Zero extra infrastructure—runs inside Postgres 16
- ✓HNSW & IVFFlat indexing
- ✓Join relational user data with vector search in 1 SQL query
GitHub Repository
pgvector/pgvector
Official Website
github.com/pgvector/pgvector
Docker Image
pgvector/pgvector:pg16
Database Needed
Built-in / SQLite
1-Click Cloud VPS Hosting
Deploy pgvector (PostgreSQL) in 60 Seconds
Sized automatically for pgvector (PostgreSQL) (256MB container RAM + OS overhead).
PRODUCTION BOILERPLATE ZIP
Get All 16 Pre-Built Production Stacks + Encrypted S3 Backups
Includes pre-tuned docker-compose.yml, Caddy Auto-SSL, AES-256 encrypted nightly S3/R2 Postgres backups, and Ubuntu 24.04 UFW/Fail2ban hardening scripts.