package web // All HTML templates and CSS are embedded as Go strings. // Compiled into the binary — zero external file dependencies at runtime. // As the UI grows, switch to go:embed for easier editing. const allTemplates = layoutTmpl + dashboardTmpl + stacksTmpl + loginTmpl + logsTmpl + deployTmpl const layoutTmpl = ` {{define "layout_start"}} {{.Title}}Felhom.eu
{{end}} {{define "layout_end"}}
{{end}} ` const dashboardTmpl = ` {{define "dashboard"}} {{template "layout_start" .}}

Vezérlőpult

{{.Domain}}
{{.RunningCount}}
Futó alkalmazás
{{.StoppedCount}}
Leállítva
{{.TotalCount}}
Összes alkalmazás
{{if .SystemInfo.TotalMemMB}}
Memória {{fmtMB .SystemInfo.UsedMemMB}} / {{fmtMB .SystemInfo.TotalMemMB}} ({{printf "%.0f" .SystemInfo.MemPercent}}%)
SSD tárhely {{fmtGB .SystemInfo.DiskUsedGB}} / {{fmtGB .SystemInfo.DiskTotalGB}} ({{printf "%.0f" .SystemInfo.DiskPercent}}%)
{{if .SystemInfo.HDDConfigured}}
Külső HDD {{fmtGB .SystemInfo.HDDUsedGB}} / {{fmtGB .SystemInfo.HDDTotalGB}} ({{printf "%.0f" .SystemInfo.HDDPercent}}%)
{{end}}
{{end}}

Alkalmazások állapota

{{range .Stacks}}
{{.Meta.DisplayName}} {{if .Meta.Description}}{{.Meta.Description}}{{end}}
{{stateLabel .State}} {{if .Protected}} Védett {{else if not .Deployed}} Telepítés {{else}} {{if isOperational .State}} {{else}} {{end}} Napló {{end}}
{{else}}

Nincs elérhető alkalmazás.

{{end}}
{{template "layout_end" .}} {{end}} ` const stacksTmpl = ` {{define "stacks"}} {{template "layout_start" .}}

Alkalmazások

{{.Domain}}
{{range .Stacks}}

{{.Meta.DisplayName}}

{{if .Meta.Subdomain}} {{.Meta.Subdomain}}.{{$.Domain}} ↗ {{end}}
{{stateLabel .State}}
{{if .Meta.Description}}

{{.Meta.Description}}

{{end}}
{{if .Meta.Resources.MemRequest}}~{{.Meta.Resources.MemRequest}}{{end}} {{if .Meta.Resources.PiCompatible}}Pi kompatibilis{{end}} {{if .Meta.Resources.NeedsHDD}}HDD szükséges{{end}}
{{if .Containers}}
{{range .Containers}}
{{.Name}} {{.Status}}
{{end}}
{{end}}
{{if .Protected}} Védett rendszerkomponens {{else if not .Deployed}} Telepítés Részletek {{else}} {{if isOperational .State}} {{else}} {{end}} Naplók Részletek {{end}}
{{end}}
{{template "layout_end" .}} {{end}} ` const deployTmpl = ` {{define "deploy"}} {{template "layout_start" .}}
← Vissza

{{.Meta.DisplayName}} — Telepítés

{{.Meta.DisplayName}}

{{if .Meta.Description}}

{{.Meta.Description}}

{{end}}
{{if .Meta.Resources.MemRequest}}~{{.Meta.Resources.MemRequest}}{{end}} {{if .Meta.Resources.PiCompatible}}Pi kompatibilis{{end}} {{if .Meta.Resources.NeedsHDD}}HDD szükséges{{end}}
Részletes leírás, képernyőképek
{{if .AlreadyDeployed}}
Ez az alkalmazás már telepítve van. Az alábbi beállítások csak olvashatók.
{{end}} {{if and (not .AlreadyDeployed) .MemoryInfo}} {{with .MemoryInfo}} {{if .Available}}
{{if .Blocked}}
Nincs elég memória! Foglalás telepítés után: {{.AfterMB}} MB / {{.UsableMB}} MB
{{else}}
Memória foglalás {{.AfterMB}} MB / {{.UsableMB}} MB ({{.Percent}}%)
{{if .OvercommitWarn}}
Az alkalmazások csúcsterhelése meghaladhatja a rendelkezésre álló memóriát. Normál használat mellett ez nem okoz problémát.
{{end}} {{end}}
{{end}} {{end}} {{end}}
{{if .AutoFields}}

Automatikusan generált értékek

Ezek az értékek automatikusan létrejönnek a telepítéskor.

{{range .AutoFields}}
✓ Automatikusan generálva
{{end}}
{{end}} {{if .UserFields}}

Beállítások

{{range .UserFields}}
{{if eq .Type "select"}} {{else if eq .Type "password"}}
{{else if eq .Type "boolean"}} {{else}} {{end}} {{if .Description}} {{.Description}} {{end}}
{{end}}
{{end}} {{if not .AlreadyDeployed}}
Mégsem
{{end}}
{{template "layout_end" .}} {{end}} ` const loginTmpl = ` {{define "login"}} Bejelentkezés — Felhom

{{.CustomerName}}

{{if .Error}}
{{.Error}}
{{end}}

Felhom — Otthoni szerver kezelés
felhom.eu

{{end}} ` const logsTmpl = ` {{define "logs"}} {{template "layout_start" .}}
← Vissza

{{.Stack.Meta.DisplayName}} — Naplók

{{.Logs}}
{{template "layout_end" .}} {{end}} ` // CSS is defined in a separate const for readability. // Served at /static/style.css const cssContent = ` @import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap'); :root { --bg-primary: #0d1117; --bg-secondary: #161b22; --bg-card: #1c2128; --text-primary: #e6edf3; --text-secondary: #8b949e; --text-muted: #6e7681; --accent-blue: #0088cc; --accent-light: #00aaff; --accent-glow: rgba(0, 136, 204, 0.3); --border-color: #30363d; --green: #238636; --green-bg: rgba(35, 134, 54, 0.15); --red: #da3633; --red-bg: rgba(218, 54, 51, 0.15); --yellow: #d29922; --yellow-bg: rgba(210, 153, 34, 0.15); --orange: #db6d28; --orange-bg: rgba(219, 109, 40, 0.15); --gray: #6e7681; --gray-bg: rgba(110, 118, 129, 0.15); --radius: 12px; --shadow: 0 2px 8px rgba(0, 0, 0, 0.3); } * { margin: 0; padding: 0; box-sizing: border-box; } html { scroll-behavior: smooth; } body { font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif; background: var(--bg-primary); color: var(--text-primary); display: flex; min-height: 100vh; line-height: 1.6; } body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(0, 136, 204, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 136, 204, 0.03) 1px, transparent 1px); background-size: 50px 50px; pointer-events: none; z-index: -1; } /* Sidebar */ .sidebar { width: 240px; background: var(--bg-secondary); color: var(--text-primary); display: flex; flex-direction: column; position: fixed; height: 100vh; overflow-y: auto; border-right: 1px solid var(--border-color); } .sidebar-header { padding: 1.5rem; border-bottom: 1px solid var(--border-color); } .sidebar-logo { width: 140px; height: auto; display: block; margin-bottom: 0.25rem; } .login-logo { width: 200px; height: auto; display: block; margin: 0 auto 0.5rem; } .customer-name { display: block; font-size: .85rem; color: var(--text-secondary); margin-top: .25rem; } .nav-links { list-style: none; padding: 1rem 0; flex: 1; } .nav-links a { display: block; padding: .75rem 1.5rem; color: var(--text-secondary); text-decoration: none; font-size: .95rem; font-weight: 500; transition: color 0.2s ease, background 0.2s ease; } .nav-links a:hover { color: var(--accent-light); background: rgba(0, 136, 204, 0.08); } .nav-links a.active { color: var(--accent-light); background: rgba(0, 136, 204, 0.12); border-left: 3px solid var(--accent-blue); } .sidebar-footer { padding: 1rem 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; font-size: .8rem; } .version { color: var(--text-muted); } .logout-link { color: var(--text-muted); text-decoration: none; transition: color 0.2s ease; } .logout-link:hover { color: var(--accent-light); } /* Main content */ .content { margin-left: 240px; padding: 2rem; flex: 1; max-width: 1200px; } .page-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; } .page-header h2 { font-size: 1.5rem; font-weight: 600; color: var(--text-primary); } .domain-badge { background: rgba(0, 136, 204, 0.15); color: var(--accent-light); padding: .25rem .75rem; border-radius: 999px; font-size: .8rem; font-weight: 500; } h3 { font-size: 1.1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 1rem; } /* Stats grid */ .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 2rem; } .stat-card { background: var(--bg-card); border-radius: var(--radius); padding: 1.25rem; border: 1px solid var(--border-color); border-left: 4px solid var(--gray); transition: border-color 0.3s ease; } .stat-running { border-left-color: var(--green); } .stat-stopped { border-left-color: var(--red); } .stat-total { border-left-color: var(--accent-blue); } .stat-value { font-size: 2rem; font-weight: 700; background: linear-gradient(135deg, var(--accent-light), var(--accent-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; } .stat-running .stat-value { background: var(--green); -webkit-background-clip: text; background-clip: text; } .stat-stopped .stat-value { background: var(--red); -webkit-background-clip: text; background-clip: text; } .stat-label { color: var(--text-secondary); font-size: .85rem; margin-top: .25rem; } /* System info bar */ .system-info-card { background: var(--bg-card); border-radius: var(--radius); padding: 1rem 1.25rem; border: 1px solid var(--border-color); margin-bottom: 2rem; } .system-info-items { display: flex; gap: 2rem; flex-wrap: wrap; } .system-info-item { flex: 1; min-width: 200px; } .system-info-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; } .system-info-label { font-size: .8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .5px; } .system-info-value { font-size: .8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; } .system-bar { width: 100%; height: 10px; border-radius: 5px; position: relative; background: linear-gradient(to right, rgba(35, 134, 54, 0.10) 0%, rgba(35, 134, 54, 0.10) 70%, rgba(210, 153, 34, 0.18) 70%, rgba(210, 153, 34, 0.18) 85%, rgba(218, 54, 51, 0.18) 85%, rgba(218, 54, 51, 0.18) 100% ); } .system-bar::before { content: ''; position: absolute; left: 70%; top: -1px; bottom: -1px; width: 2px; background: var(--yellow); border-radius: 1px; opacity: 0.5; z-index: 2; } .system-bar::after { content: ''; position: absolute; left: 85%; top: -1px; bottom: -1px; width: 2px; background: var(--red); border-radius: 1px; opacity: 0.5; z-index: 2; } .system-bar-fill { height: 100%; border-radius: 5px; position: relative; z-index: 1; transition: width 0.3s ease; min-width: 3px; } .system-bar-green { background: var(--green); box-shadow: 0 0 6px rgba(35, 134, 54, 0.4); } .system-bar-yellow { background: var(--yellow); box-shadow: 0 0 6px rgba(210, 153, 34, 0.4); } .system-bar-red { background: var(--red); box-shadow: 0 0 6px rgba(218, 54, 51, 0.4); } /* Stack list (dashboard) */ .stack-list { display: flex; flex-direction: column; gap: .5rem; } .stack-card { background: var(--bg-card); border-radius: var(--radius); padding: 1rem 1.25rem; border: 1px solid var(--border-color); border-left: 4px solid var(--gray); display: flex; justify-content: space-between; align-items: center; transition: border-color 0.3s ease, transform 0.2s ease; } .stack-card:hover { border-color: var(--accent-blue); } .stack-state-green { border-left-color: var(--green); } .stack-state-red { border-left-color: var(--red); } .stack-state-yellow { border-left-color: var(--yellow); } .stack-state-orange { border-left-color: var(--orange); } .stack-state-gray { border-left-color: var(--gray); } .stack-info { display: flex; align-items: center; gap: .75rem; } .stack-logo { width: 32px; height: 32px; border-radius: 6px; object-fit: contain; background: var(--bg-secondary); padding: 4px; } .stack-logo-lg { width: 48px; height: 48px; border-radius: 8px; object-fit: contain; background: var(--bg-secondary); padding: 6px; } .stack-name { font-size: 1rem; font-weight: 500; } .stack-desc { display: block; font-size: .8rem; color: var(--text-secondary); } .stack-actions { display: flex; align-items: center; gap: .5rem; } .stack-state-label { font-size: .8rem; color: var(--text-secondary); margin-right: .5rem; } /* Stack detail grid (applications page) */ .stack-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 1rem; } .stack-detail-card { background: var(--bg-card); border-radius: var(--radius); padding: 1.25rem; border: 1px solid var(--border-color); border-top: 4px solid var(--gray); transition: border-color 0.3s ease, transform 0.3s ease; } .stack-detail-card:hover { border-color: var(--accent-blue); transform: translateY(-2px); } .stack-detail-card.stack-state-green { border-top-color: var(--green); } .stack-detail-card.stack-state-red { border-top-color: var(--red); } .stack-detail-card.stack-state-orange { border-top-color: var(--orange); } .stack-detail-card.stack-state-yellow { border-top-color: var(--yellow); } .stack-detail-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: .75rem; } .stack-title-row { display: flex; align-items: center; gap: .75rem; } .subdomain-link { font-size: .8rem; color: var(--accent-light); text-decoration: none; transition: color 0.2s ease; } .subdomain-link:hover { text-decoration: underline; } .stack-state-badge { padding: .2rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 600; white-space: nowrap; } .state-green { background: var(--green-bg); color: var(--green); } .state-red { background: var(--red-bg); color: var(--red); } .state-yellow { background: var(--yellow-bg); color: var(--yellow); } .state-orange { background: var(--orange-bg); color: var(--orange); } .state-gray { background: var(--gray-bg); color: var(--gray); } .state-text-green { color: var(--green); } .state-text-red { color: var(--red); } .state-text-orange { color: var(--orange); } .state-text-yellow { color: var(--yellow); } .stack-detail-desc { color: var(--text-secondary); font-size: .85rem; margin-bottom: .75rem; } .stack-meta-badges { display: flex; flex-wrap: wrap; gap: .4rem; margin: .5rem 0; } .meta-badge { background: rgba(0, 136, 204, 0.1); color: var(--text-secondary); padding: .15rem .5rem; border-radius: 6px; font-size: .75rem; } .meta-badge-ok { background: var(--green-bg); color: var(--green); } .container-list { margin: .75rem 0; } .container-list h4 { font-size: .8rem; color: var(--text-muted); margin-bottom: .4rem; } .container-row { display: flex; justify-content: space-between; font-size: .8rem; padding: .3rem 0; border-bottom: 1px solid rgba(48, 54, 61, 0.5); } .container-row:last-child { border-bottom: none; } .container-name { font-family: 'JetBrains Mono', monospace; color: var(--text-secondary); } .container-status { font-size: .75rem; } .stack-detail-actions { display: flex; gap: .5rem; margin-top: 1rem; flex-wrap: wrap; } /* Buttons */ .btn { display: inline-flex; align-items: center; gap: .3rem; padding: .5rem 1rem; border: none; border-radius: 8px; font-size: .85rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; text-decoration: none; color: #fff; font-family: inherit; } .btn:hover { transform: translateY(-1px); } .btn:active { transform: scale(.97); } .btn:disabled { opacity: .5; cursor: not-allowed; transform: none; } .btn.loading { opacity: .6; } .btn-sm { padding: .3rem .6rem; font-size: .8rem; } .btn-lg { padding: .65rem 1.5rem; font-size: 1rem; } .btn-full { width: 100%; justify-content: center; } .btn-primary { background: linear-gradient(135deg, var(--accent-blue), var(--accent-light)); box-shadow: 0 4px 12px var(--accent-glow); } .btn-primary:hover { box-shadow: 0 6px 20px var(--accent-glow); } .btn-success { background: var(--green); } .btn-success:hover { box-shadow: 0 4px 12px rgba(35, 134, 54, 0.3); } .btn-warning { background: var(--yellow); color: #0d1117; } .btn-danger { background: var(--red); } .btn-danger:hover { box-shadow: 0 4px 12px rgba(218, 54, 51, 0.3); } .btn-outline { background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); } .btn-outline:hover { border-color: var(--accent-blue); color: var(--accent-light); background: rgba(0, 136, 204, 0.08); } .badge { display: inline-flex; align-items: center; gap: .25rem; padding: .2rem .6rem; border-radius: 999px; font-size: .75rem; font-weight: 500; } .badge-protected { background: var(--gray-bg); color: var(--text-muted); } /* Deploy page */ .deploy-container { max-width: 700px; } .deploy-info { display: flex; gap: 1rem; align-items: flex-start; background: var(--bg-card); padding: 1.25rem; border-radius: var(--radius); border: 1px solid var(--border-color); margin-bottom: 1.5rem; } .deploy-logo { width: 64px; height: 64px; border-radius: 12px; object-fit: contain; background: var(--bg-secondary); padding: 8px; flex-shrink: 0; } .deploy-info h3 { font-size: 1.2rem; margin-bottom: .25rem; } .deploy-info p { color: var(--text-secondary); font-size: .9rem; } .deploy-form { background: var(--bg-card); padding: 1.5rem; border-radius: var(--radius); border: 1px solid var(--border-color); } .form-section { margin-bottom: 1.5rem; } .form-section h4 { font-size: 1rem; margin-bottom: .5rem; color: var(--text-primary); } .form-section-desc { color: var(--text-secondary); font-size: .85rem; margin-bottom: .75rem; } .form-group { margin-bottom: 1rem; } .form-group label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: .4rem; color: var(--text-primary); } .form-group-auto { display: flex; justify-content: space-between; align-items: center; padding: .5rem .75rem; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 8px; } .form-group-auto label { margin: 0; } .auto-generated-badge { color: var(--green); font-size: .8rem; font-weight: 500; } .form-control { width: 100%; padding: .55rem .75rem; border: 1px solid var(--border-color); border-radius: 8px; font-size: .9rem; background: var(--bg-secondary); color: var(--text-primary); font-family: inherit; transition: border-color 0.2s ease, box-shadow 0.2s ease; } .form-control:focus { outline: none; border-color: var(--accent-blue); box-shadow: 0 0 0 3px var(--accent-glow); } .form-control:disabled { background: var(--bg-primary); color: var(--text-muted); cursor: not-allowed; } 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; } .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; } .deploy-actions { display: flex; gap: .75rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border-color); } /* Toggle switch */ .toggle { cursor: pointer; display: flex; align-items: center; gap: .5rem; } .toggle input[type="checkbox"] { accent-color: var(--accent-blue); } .toggle-label { font-size: .9rem; color: var(--text-secondary); } /* Alerts */ .alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: .85rem; border: 1px solid; } .alert-error { background: var(--red-bg); color: var(--red); border-color: rgba(218, 54, 51, 0.3); } .alert-info { background: rgba(0, 136, 204, 0.1); color: var(--accent-light); border-color: rgba(0, 136, 204, 0.3); } .alert-warning { background: var(--yellow-bg); color: var(--yellow); border-color: rgba(210, 153, 34, 0.3); } /* Memory summary on deploy page */ .memory-summary { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 1rem; } .memory-blocked { border-color: rgba(218, 54, 51, 0.5); } .memory-summary-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; } .memory-summary-label { font-size: .8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .5px; } .memory-summary-value { font-size: .8rem; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; } /* Logs */ .logs-container { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius); padding: 1rem; overflow-x: auto; margin-bottom: 1rem; } .logs-output { color: var(--text-primary); font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: .8rem; line-height: 1.5; white-space: pre-wrap; word-break: break-all; } .logs-actions { display: flex; gap: .5rem; } /* Sync toast */ .sync-toast { padding: .6rem 1rem; border-radius: 8px; font-size: .85rem; margin-bottom: 1rem; border: 1px solid; transition: opacity 0.3s ease; } .sync-toast-ok { background: var(--green-bg); color: var(--green); border-color: rgba(35, 134, 54, 0.3); } .sync-toast-err { background: var(--red-bg); color: var(--red); border-color: rgba(218, 54, 51, 0.3); } .empty-state { text-align: center; padding: 3rem; color: var(--text-muted); } /* Login page */ .login-body { display: flex; justify-content: center; align-items: center; min-height: 100vh; background: var(--bg-primary); } .login-body::before { content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(rgba(0, 136, 204, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 136, 204, 0.03) 1px, transparent 1px); background-size: 50px 50px; pointer-events: none; z-index: 0; } .login-card { background: var(--bg-card); padding: 2.5rem; border-radius: 16px; border: 1px solid var(--border-color); box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4); width: 100%; max-width: 380px; text-align: center; position: relative; z-index: 1; } .login-card .login-logo { width: 220px; margin-bottom: 0.5rem; } .login-subtitle { color: var(--text-secondary); margin-bottom: 1.5rem; } .login-footer { margin-top: 1.5rem; font-size: .75rem; color: var(--text-muted); } .login-footer a { color: var(--accent-light); text-decoration: none; transition: color 0.2s ease; } .login-footer a:hover { color: var(--accent-blue); } /* Responsive */ @media(max-width: 768px) { .sidebar { width: 100%; height: auto; position: relative; border-right: none; border-bottom: 1px solid var(--border-color); } .nav-links { display: flex; padding: 0; overflow-x: auto; } .nav-links a { padding: .5rem 1rem; white-space: nowrap; } .nav-links a.active { border-left: none; border-bottom: 2px solid var(--accent-blue); } .content { margin-left: 0; padding: 1rem; } body { flex-direction: column; } .stack-card { flex-direction: column; align-items: flex-start; gap: .75rem; } .stack-actions { width: 100%; justify-content: flex-end; } .stack-grid { grid-template-columns: 1fr; } .stats-grid { grid-template-columns: repeat(3, 1fr); } .deploy-info { flex-direction: column; } .system-info-items { flex-direction: column; gap: 1rem; } } ` // felhomLogoSVG is the felhom.eu logo, served at /static/felhom-logo.svg. // Cleaned from the original Inkscape SVG, removing editor metadata. const felhomLogoSVG = ` felhom eu `