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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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docker-compose.yml
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@@ -26,4 +26,5 @@ services:
# OH_MY_OPENCODE: true # enable oh-my-opencode
# OPENCODE_HOST: http://172.17.0.1:4096 # Connect to external OpenCode server
# OPENCODE_SKIP_START: true # skip start opencode
# OPENCHAMBER_OPENCODE_HOSTNAME: 0.0.0.0 # Bind OpenCode to all interfaces
restart: unless-stopped