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v0.27.0 — user-configurable app subdomains

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Users can now customize the subdomain for each app during deployment
instead of using a fixed value. The deploy page shows an editable text
input with the default pre-filled and the base domain as a suffix.

New "subdomain" deploy field type with DNS-safe format validation,
reserved name blocklist, and uniqueness check across deployed stacks.
Locked after deploy — changing requires Remove + Redeploy.

Backward compatible: InjectMissingFields() auto-fills SUBDOMAIN from
.felhom.yml defaults for existing deployed apps on next sync/restart.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
authentik Default Admin
2026-02-22 15:06:22 +01:00
parent f7556b0dad
commit 66817709ad
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CHANGELOG.md
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## Changelog
### v0.27.0 — User-Configurable App Subdomains (2026-02-22)
#### Added
- **User-configurable subdomains**: Users can now customize the subdomain (e.g., `wiki`, `cloud`, `my-notes`) for each app during deployment, instead of using a fixed value. The deploy page shows an editable text input with the default subdomain pre-filled and the base domain as a suffix (e.g., `[wiki] .demo-felhom.eu`).
- **New deploy field type `"subdomain"`** — `internal/stacks/metadata.go`, `deploy.go`: A new field type that is user-editable with a default value, validated, and locked after deployment. Changing the subdomain requires removing the app (clean install) and redeploying.
- **Subdomain validation** — `internal/stacks/deploy.go`: Three-layer validation: DNS-safe format (lowercase alphanumeric + hyphens, max 63 chars), reserved name blocklist (`felhom`, `files`, `traefik`, `api`, `www`, `mail`, `admin`, etc.), and uniqueness check across all deployed stacks.
- **Backward compatibility** — `internal/stacks/deploy.go`: `InjectMissingFields()` auto-fills `SUBDOMAIN` from the `.felhom.yml` default for existing deployed apps when templates are synced, so no manual intervention is needed.
- **`internal/web/handlers.go`** — `stacksHandler()` builds an effective subdomain lookup map (stored env → metadata fallback). `appDetailHandler()` passes `EffectiveSubdomain` to templates.
- **`internal/web/templates/deploy.html`** — New `.subdomain-input-group` widget with inline `.domain` suffix. Client-side validation enforces DNS-safe format with real-time lowercasing.
- **`internal/web/templates/stacks.html`**, **`app_info.html`** — Subdomain links now read from stored `app.yaml` env (via lookup map) instead of hardcoded metadata, showing the user's actual chosen subdomain.
#### Changed
- **`internal/stacks/deploy.go`** — `PreviewDeployValues()` domain case simplified: shows just the base domain now (subdomain is a separate field).
- **`internal/web/handlers.go`** — Deploy page domain auto-field no longer prepends `meta.Subdomain + "."`. Passes `DeployedFieldValues` for rendering stored subdomain on settings page.
#### App Catalog (app-catalog-felhom.eu)
- All 51 template `docker-compose.yml` files updated: hardcoded `{subdomain}.${DOMAIN}` replaced with `${SUBDOMAIN}.${DOMAIN}` in Traefik labels, app env vars (APP_URL, trusted domains, webhook URLs, etc.), and comments.
- All 51 `.felhom.yml` files updated: added `SUBDOMAIN` deploy field with `type: subdomain` and `default:` matching the existing `subdomain:` metadata value.
### v0.26.2 — Show Full App URL on Deploy Page (2026-02-22)
#### Fixed