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feat(server): support configurable hostname for managed OpenCode server spawn (#599)

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* feat(server): support configurable hostname for managed OpenCode server spawn

Allow the managed OpenCode server bind hostname to be configured via
OPENCHAMBER_OPENCODE_HOSTNAME environment variable (default: 127.0.0.1).

This enables LAN/Tailscale access without a reverse proxy by setting
the hostname to 0.0.0.0.

Closes #597

* fix: address review feedback — input validation, port probe hostname, security docs

- Add defensive parsing for OPENCHAMBER_OPENCODE_HOSTNAME with trim/empty
  check and warning log, matching OPENCODE_HOST validation pattern
- Pass configured hostname to resolveManagedOpenCodePort() so port
  availability is probed on the actual bind address, avoiding EADDRINUSE
- Add security note in README docs warning about 0.0.0.0 exposure on
  untrusted networks
This commit is contained in:
yslee
2026-03-23 15:48:04 +02:00
committed by GitHub
parent fb011d6f38
commit ea6d4c4d43
5 changed files with 54 additions and 4 deletions
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README.md
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@@ -127,6 +127,11 @@ OPENCODE_PORT=4096 OPENCODE_SKIP_START=true openchamber
OPENCODE_HOST=https://myhost:4096 OPENCODE_SKIP_START=true openchamber
```
Bind managed OpenCode server to all interfaces (use only on trusted networks):
```bash
OPENCHAMBER_OPENCODE_HOSTNAME=0.0.0.0 openchamber --port 3000
```
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