Show HN: Petri – Drop-in Postgres image that forks a DB per test

Category: devtools

Tags: test-isolation, postgres, testing

Score: 7.0/10 (Innovation: 7, Technical: 8, Documentation: 6, Utility: 7)

Petri provides a drop-in replacement for the standard PostgreSQL Docker image, forking a dedicated database per test connection to eliminate shared-state flakiness. It is interesting because it offers a zero-cleanup, zero-configuration solution that works with existing test frameworks by simply pointing tests at a different port.

Target audience: backend devs

Repository: https://github.com/taktekhq/petri · Go

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