I Stopped Killing My Dev Server. I Park It Instead.

📰 Medium · Programming

Learn how to use a CLI tool called 'park' to freeze and resume a running process, releasing its TCP port without losing in-memory caches or build watcher state, and why it matters for efficient development workflows

intermediate Published 12 Apr 2026

Action Steps

Install 'park' using the provided one-liner command
Use 'park' to freeze a running process on a specific port, e.g., 'park 3000'
Verify that the process has been frozen and the port is released
Resume the frozen process using 'park resume 3000'
Test that the resumed process is working as expected, e.g., using 'curl localhost:3000'

Who Needs to Know This

Developers and DevOps engineers can benefit from using 'park' to streamline their development processes and reduce downtime, making it easier to test and deploy applications

Key Insight

💡 The 'park' tool allows developers to efficiently manage running processes and release TCP ports without incurring downtime or losing valuable state information