Files
hermes-agent/website
Teknium de07bd5fab fix(serve): emit BACKEND_PORT_IN_USE sentinel + exit 75 on port bind conflict (#93608)
A held port made 'hermes serve' print only uvicorn's bare
'ERROR: [Errno 98/10048] error while attempting to bind on address'
and exit 1 — indistinguishable from a broken backend for the desktop
spawn and wrapping scripts.

- Preflight bind probe (matching uvicorn's SO_REUSEADDR bind flags)
  before uvicorn.Server; on conflict print machine-readable
  'BACKEND_PORT_IN_USE port=<port>' + a human hint naming likely
  holders, exit 75 (EX_TEMPFAIL — existing repo convention, see
  gateway/restart.py, kanban_db.py).
- Probe-to-bind race covered: SystemExit(1) from uvicorn's own bind
  failure is re-checked and translated on both POSIX and Windows
  runner paths.
- --port 0 (ephemeral) short-circuits the probe: unchanged behavior.
- HERMES_BACKEND_READY contract untouched.
- Tests: real held-socket repro (sentinel + exit 75, sabotage-proven
  to fail as bare exit 1 without the fix), free-port boot regression,
  ephemeral-port regression, probe/classification units.
- Docs: port-conflict paragraph under 'hermes serve' in
  reference/cli-commands.md.
2026-08-24 09:55:15 -07:00
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Website

This website is built using Docusaurus, a modern static website generator.

Installation

yarn

Local Development

yarn start

This command starts a local development server and opens up a browser window. Most changes are reflected live without having to restart the server.

Build

yarn build

This command generates static content into the build directory and can be served using any static contents hosting service.

Deployment

Using SSH:

USE_SSH=true yarn deploy

Not using SSH:

GIT_USER=<Your GitHub username> yarn deploy

If you are using GitHub pages for hosting, this command is a convenient way to build the website and push to the gh-pages branch.

Diagram Linting

CI runs ascii-guard to lint docs for ASCII box diagrams. Use Mermaid (````mermaid`) or plain lists/tables instead of ASCII boxes to avoid CI failures.