docs(install): describe installer v2 and the Tailscale naming options

README, the Installation / Remote-Access / Running-As-A-Service wiki pages,
docs/security-architecture.md and CLAUDE.md describe the three-question flow,
the flags, the subcommands, the sub-path answer for an occupied :443 and why
the rename is opt-in. docs/installer-v2-plan.md is the design and the
verification record (what was measured, what still needs a fresh machine);
docs/tailscale-installer-plan.md points at it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Codeman maintainer
2026-09-20 21:38:12 +02:00
parent af744bdb54
commit 1ba0684438
8 changed files with 464 additions and 27 deletions
+24 -3
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@@ -33,11 +33,12 @@ Your devices join a private network, and Codeman stays bound to loopback. Nothin
published to the internet, and you get real HTTPS with a real certificate.
The installer sets this up for you, including installing Tailscale, logging in, enabling
tailnet HTTPS, and verifying the result end to end. To retrofit it onto an existing
install:
tailnet HTTPS, and verifying the result end to end. It ends on the URL with a QR code to
scan. To retrofit it onto an existing install, or to see the URL and QR code again:
```bash
install.sh tailscale
install.sh status
```
By hand:
@@ -49,6 +50,22 @@ tailscale serve status
Then open `https://<machine>.<tailnet>.ts.net` from any device on your tailnet.
### The name in the URL
The URL is the machine's MagicDNS name, so on a machine called `tnode` it is
`https://tnode.<tailnet>.ts.net`. Three ways to influence that, from least to most work:
| You want | How |
| ------------------------------------------ | ----------------------------------------------------------------------------------------------------- |
| The machine's existing name (default) | Nothing. This is what the installer does unless you say otherwise. |
| `https://codeman-<hostname>.<tailnet>.ts.net` | Answer yes to the installer's name question, pass `--name codeman-<hostname>`, or run `install.sh name`. This renames the machine tailnet-wide (SSH included), which is why the installer defaults to no. `install.sh uninstall` offers to rename it back. |
| `https://codeman.<tailnet>.ts.net` | A [Tailscale Service](https://tailscale.com/docs/features/tailscale-services). Only a **tagged** node can host one (a device signed in with a user account cannot), the service is defined and approved in the admin console, and the feature is in beta. The installer does not set this up; it is a `tailscale serve --service=svc:codeman --https=443 127.0.0.1:3000` on a tagged host once the service exists. |
If `:443` on your node already belongs to another app, the installer offers Codeman under
`https://<machine>.<tailnet>.ts.net/codeman` (the default, via `tailscale serve --set-path`
plus Codeman's `--base-url`), on a second port (`https://<machine>.<tailnet>.ts.net:8443`),
or replacing the other mapping. It never replaces anything without asking.
Notes:
- Keep the loopback bind. `tailscale serve` connects to `127.0.0.1:3000` locally, so
@@ -58,7 +75,11 @@ Notes:
- Codeman's Host-header allowlist already accepts `.ts.net`, so no extra configuration is
needed.
- The installer never resets or rewrites `serve` mappings other than the one pointing at
Codeman's port, so unrelated serve configuration is left alone.
Codeman's port, so unrelated serve configuration is left alone. It also never opens a
`tailscale funnel` (that is the public internet) and never advertises a Tailscale Service.
- On macOS, the App Store and standalone Tailscale apps only run once someone is logged in,
so a headless Mac needs the open-source `tailscaled` for the URL to come back after a
reboot on its own.
## Cloudflare tunnel