# One Postgres cluster, many apps

DevFeed: [One Postgres cluster, many apps](<https://devfeed.tech/articles/one-postgres-cluster-many-apps-2329.md>)

Original publisher: [Read original article](<https://planetscale.com/blog/one-postgres-cluster-many-apps>)

Author: Simeon Griggs

Published: 2026-06-25T00:00:00Z

Content type: tutorial

Language: en

Sources: [Blog -- PlanetScale](<https://devfeed.tech/sources/blog-planetscale.md>)

Topics: [postgresql clusters](<https://devfeed.tech/topics/postgresql-clusters.md>), [Database](<https://devfeed.tech/topics/database.md>), [App](<https://devfeed.tech/topics/app.md>), [Authorization](<https://devfeed.tech/topics/authorization.md>)

Tags: [administration](<https://devfeed.tech/tags/administration.md>), [apps](<https://devfeed.tech/tags/apps.md>), [complexity](<https://devfeed.tech/tags/complexity.md>), [database](<https://devfeed.tech/tags/database.md>), [databases](<https://devfeed.tech/tags/databases.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [postgres](<https://devfeed.tech/tags/postgres.md>), [side-projects](<https://devfeed.tech/tags/side-projects.md>)

## AI overview

This tutorial explains how multiple small applications can share a single PlanetScale Postgres cluster through separate logical databases. It covers clusters, branches, logical databases, roles, permissions, and the tradeoff between shared infrastructure for side projects and dedicated clusters for applications that need to scale.

## Source excerpt

Yo, I heard you liked databases, so we put logical databases in your database cluster so you can database while you database