Postgres, formally PostgreSQL, is an open-source relational database known for reliability, SQL support, extensions, and production-grade application data storage.
Justin named Postgres as the database he would likely use if the Episode 005 Milk and Cookies prototype became a production business. The lesson: the prototype can be vibe-built quickly, but a real marketplace still needs a durable data layer.
Genuine substitutes for Postgres that we've also run on stage:
Yes, Postgres has a free tier. Open source and free self-hosted; managed hosting costs vary.
Open source and free self-hosted; managed hosting costs vary.
Justin Novak used it in Episode 005 to store production marketplace data for Milk and Cookies.
Tools we've also used live that can stand in for Postgres: Supabase.
| Category | Data & backend |
|---|---|
| Pricing | Open source and free self-hosted; managed hosting costs vary. |
| Free tier | Yes |
| Used live in | Episode 005 |
| Operator(s) | Justin Novak |
| Website | www.postgresql.org |
See tools like Postgres set up live, step by step, on AI4NTP, or get hands-on help putting it to work.