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What type of PR is this?

  • Bug Fix

Description

The listener address is hardcoded to IPv4-only (0.0.0.0) which breaks in an IPv6-only host. gunicorn supports the [::] host as a dualstack wildcard, so that's what I'm changing here.

How is this tested?

  • Unit tests (pytest, jest)
  • E2E Tests (Cypress)
  • Manually
  • N/A

Built the docker image locally and started it

@aldo-airtm
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aldo-airtm commented Dec 12, 2025

Reopening PR #7589

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No issues found across 1 file

@aldo-airtm
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In a dual-stack environment, both 0.0.0.0 and [::] work for both v4 and v6, but in a v6-only system, only [::] works properly.

@eradman
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eradman commented Dec 12, 2025

In a dual-stack environment, both 0.0.0.0 and [::] work for both v4 and v6, but in a v6-only system, only [::] works properly.

Do you mean that IPv4 is disabled, or that routing for IPv4 addresses are not assigned?

@aldo-airtm
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aldo-airtm commented Dec 12, 2025

Do you mean that IPv4 is disabled, or that routing for IPv4 addresses are not assigned?

IPv4 is disabled at the host level

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2 participants