ephemeralpg ☆

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Description:
Run tests on an isolated, temporary Postgres database

Type: Formula | Latest Version: 3.4@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: postgresql testing development database cli

Install: brew install ephemeralpg

About:
EphemeralPG is a command-line utility that creates a temporary, isolated PostgreSQL database instance for running tests. It handles the lifecycle of the database, including setup and teardown, ensuring a clean state for each test run. This tool eliminates the need for complex test database management and prevents conflicts with existing databases.

Key Features:

Automatic setup and teardown of temporary databases
Isolated test environments without affecting existing data
Simple command-line interface for easy integration
No manual database administration required

Use Cases:

Running automated test suites against a clean database
Developing database-driven applications without polluting the main database
CI/CD pipelines for database migration testing

Alternatives:

pg_tmp – Similar functionality, but ephemeralpg is often considered simpler and more lightweight
Docker PostgreSQL containers – More heavyweight, requires container management, but offers more isolation

License: ISC

Dependencies: libpq

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, sonoma, ventura, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 13, 2025 2:14pm		0	VERSION_BUMP	767a82bc
Sep 13, 2024 2:14am		0	VERSION_BUMP	ea52e561