v0.27.0 — user-configurable app subdomains

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:
2026-02-22 15:06:22 +01:00
parent f7556b0dad
commit 66817709ad
9 changed files with 191 additions and 22 deletions
+27 -6
View File
@@ -202,6 +202,21 @@ func (s *Server) stacksHandler(w http.ResponseWriter, r *http.Request) {
}
data["StorageLabels"] = storageLabels
// Build effective subdomain lookup (stored env > metadata fallback)
subdomains := make(map[string]string)
for _, stack := range s.stackMgr.GetStacks() {
if stack.Deployed {
if appCfg := s.stackMgr.LoadAppConfigByName(stack.Name); appCfg != nil {
if sd, ok := appCfg.Env["SUBDOMAIN"]; ok && sd != "" {
subdomains[stack.Name] = sd
continue
}
}
}
subdomains[stack.Name] = stack.Meta.Subdomain
}
data["Subdomains"] = subdomains
s.executeTemplate(w, r, "stacks", data)
}
@@ -259,12 +274,7 @@ func (s *Server) deployHandler(w http.ResponseWriter, r *http.Request, name stri
if alreadyDeployed && appCfg != nil {
for _, f := range meta.AutoGeneratedFields() {
if val, ok := appCfg.Env[f.EnvVar]; ok {
// For domain fields show the full URL (subdomain.base_domain) as displayed on app cards.
if f.Type == "domain" && meta.Subdomain != "" {
autoFieldValues[f.EnvVar] = meta.Subdomain + "." + val
} else {
autoFieldValues[f.EnvVar] = val
}
autoFieldValues[f.EnvVar] = val
}
}
} else if !alreadyDeployed {
@@ -275,6 +285,10 @@ func (s *Server) deployHandler(w http.ResponseWriter, r *http.Request, name stri
}
}
data["AutoFieldValues"] = autoFieldValues
// For deployed apps, pass stored field values so subdomain and other user fields show current values
if alreadyDeployed && appCfg != nil {
data["DeployedFieldValues"] = appCfg.Env
}
// Storage paths with free space info for deploy dropdown
var deployPaths []DeployStoragePath
for _, sp := range s.settings.GetSchedulableStoragePaths() {
@@ -406,6 +420,12 @@ func (s *Server) appDetailHandler(w http.ResponseWriter, r *http.Request, slug s
}
}
// Determine effective subdomain (stored env > metadata fallback)
effectiveSubdomain := found.Meta.Subdomain
if sd, ok := currentValues["SUBDOMAIN"]; ok && sd != "" {
effectiveSubdomain = sd
}
data := s.baseData("stacks", found.Meta.DisplayName)
data["Stack"] = found
data["Meta"] = found.Meta
@@ -414,6 +434,7 @@ func (s *Server) appDetailHandler(w http.ResponseWriter, r *http.Request, slug s
data["CurrentValues"] = currentValues
data["HasAppInfo"] = found.Meta.HasAppInfo()
data["HasOptionalConfig"] = found.Meta.HasOptionalConfig()
data["EffectiveSubdomain"] = effectiveSubdomain
s.executeTemplate(w, r, "app_info", data)
}
@@ -10,7 +10,7 @@
{{if .Stack.Deployed}}
<span class="stack-state-badge state-{{stateColor .Stack.State}}">{{stateLabel .Stack.State}}</span>
{{if .Stack.Orphaned}}<span class="badge badge-orphaned">Elavult</span>{{end}}
<a href="https://{{.Meta.Subdomain}}.{{.Domain}}" target="_blank" class="btn btn-sm btn-outline">Megnyitás ↗</a>
{{if .EffectiveSubdomain}}<a href="https://{{.EffectiveSubdomain}}.{{.Domain}}" target="_blank" class="btn btn-sm btn-outline">Megnyitás ↗</a>{{end}}
<a href="/stacks/{{.Stack.Name}}/logs" class="btn btn-sm btn-outline">Napló</a>
{{if .Stack.Orphaned}}
<button class="btn btn-sm btn-danger" onclick="deleteOrphanStack('{{.Stack.Name}}')">Törlés</button>
+27 -1
View File
@@ -270,7 +270,22 @@
{{if .LockedAfterDeploy}}<span class="locked-hint">telepítés után nem módosítható</span>{{end}}
</label>
{{if eq .Type "select"}}
{{if eq .Type "subdomain"}}
<div class="subdomain-input-group">
<input type="text" id="field-{{.EnvVar}}" name="{{.EnvVar}}"
class="form-control subdomain-input"
value="{{if and $.AlreadyDeployed $.DeployedFieldValues}}{{index $.DeployedFieldValues .EnvVar}}{{else}}{{.Default}}{{end}}"
placeholder="aldomain"
pattern="[a-z0-9]([a-z0-9-]*[a-z0-9])?"
required
{{if $.AlreadyDeployed}}disabled{{end}}
oninput="this.value=this.value.toLowerCase().replace(/[^a-z0-9-]/g,'')">
<span class="subdomain-suffix">.{{$.Domain}}</span>
</div>
{{if not $.AlreadyDeployed}}
<span class="form-hint">Az aldomain telepítés után nem módosítható. Megváltoztatáshoz az alkalmazás eltávolítása és újratelepítése szükséges (minden adat törlődik).</span>
{{end}}
{{else if eq .Type "select"}}
<select id="field-{{.EnvVar}}" name="{{.EnvVar}}" class="form-control"
{{if $.AlreadyDeployed}}disabled{{end}}>
{{range .Options}}
@@ -510,6 +525,17 @@ document.getElementById('deploy-form').addEventListener('submit', async function
}
}
// Client-side validation: check subdomain format
const subdomainField = e.target.querySelector('.subdomain-input');
if (subdomainField && !subdomainField.disabled) {
const sd = subdomainField.value.trim().toLowerCase();
if (!sd || !/^[a-z0-9]([a-z0-9-]*[a-z0-9])?$/.test(sd)) {
alert('Az aldomain csak kisbetűket, számokat és kötőjelet tartalmazhat, és nem kezdődhet/végződhet kötőjellel.');
subdomainField.focus();
return;
}
}
// Client-side validation: check all required fields
const requiredFields = e.target.querySelectorAll('input[required], select[required]');
for (const rf of requiredFields) {
@@ -24,9 +24,10 @@
alt="" onerror="this.onerror=function(){this.style.display='none'};this.src='{{logoPNGURL .Meta.Slug}}'">
<div>
<h3>{{.Meta.DisplayName}}</h3>
{{if .Meta.Subdomain}}
<a class="subdomain-link" href="https://{{.Meta.Subdomain}}.{{$.Domain}}" target="_blank">
{{.Meta.Subdomain}}.{{$.Domain}}
{{$subdomain := index $.Subdomains .Name}}
{{if $subdomain}}
<a class="subdomain-link" href="https://{{$subdomain}}.{{$.Domain}}" target="_blank">
{{$subdomain}}.{{$.Domain}} ↗
</a>
{{end}}
</div>
@@ -574,6 +574,13 @@ select.form-control { appearance: auto; }
select.form-control option { background: var(--bg-secondary); color: var(--text-primary); }
.input-with-button { display: flex; gap: .5rem; }
.input-with-button .form-control { flex: 1; }
.subdomain-input-group { display: flex; align-items: center; }
.subdomain-input-group .subdomain-input { max-width: 14rem; border-top-right-radius: 0; border-bottom-right-radius: 0; border-right: none; }
.subdomain-input-group .subdomain-suffix {
padding: .55rem .75rem; background: var(--bg-primary); border: 1px solid var(--border-color);
border-left: none; border-radius: 0 8px 8px 0; color: var(--text-secondary);
font-family: var(--font-mono, monospace); font-size: .9rem; white-space: nowrap;
}
.form-hint { display: block; font-size: .8rem; color: var(--text-muted); margin-top: .25rem; }
.required { color: var(--red); }
.locked-hint { font-size: .75rem; color: var(--text-muted); font-weight: 400; margin-left: .5rem; }