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Add preserve-host option for reverse proxy stanzas#328

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jappeace merged 1 commit intosnoyberg:masterfrom
jezen:preserve-host
Mar 7, 2026
Merged

Add preserve-host option for reverse proxy stanzas#328
jappeace merged 1 commit intosnoyberg:masterfrom
jezen:preserve-host

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@jezen
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@jezen jezen commented Feb 6, 2026

Summary

  • Adds a preserve-host configuration option to reverse proxy stanzas
  • When set to true, the Host header from the original request is preserved when proxying
  • Defaults to false to maintain backward compatibility

Usage

stanzas:
  - type: reverse-proxy
    reversed-host: localhost
    reversed-port: 3000
    reversing-host: sub.domain.com
    preserve-host: true

This mirrors functionality available in nginx (proxy_set_header Host $http_host) and Apache (ProxyPreserveHost On).

Test plan

  • Added unit tests for config parsing (preserve-host true/false/default)
  • Added unit tests for filterHeaders behavior with both settings
  • All 18 tests pass

Resolves #299

@jezen
Add preserve-host option for reverse proxy stanzas
95ac29a 
Allows preserving the Host header when proxying requests, controlled
via a new 'preserve-host' config option (defaults to false).

Resolves snoyberg#299
@jappeace
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jappeace commented Mar 7, 2026

oh you should use a seperate account for your worker bee

@jappeace jappeace merged commit d83b92d into snoyberg:master Mar 7, 2026
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@jezen
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jezen commented Mar 7, 2026

oh you should use a seperate account for your worker bee

I'm sorry, what?

@jappeace
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jappeace commented Mar 7, 2026

your pr description here looks like it's generated by claude 😅

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Preserve host through reverse proxy

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@jezen @jappeace