first commit

api/app/controllers/overview_controller.ts

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+import os from 'node:os'
+import Site from '#models/site'
+import AuditLog from '#models/audit_log'
+import backupService from '#services/backup_service'
+import dockerService from '#services/docker_service'
+import metricsService from '#services/metrics_service'
+
+const CERT_WARNING_DAYS = 14
+
+export default class OverviewController {
+  async index() {
+    const now = Math.floor(Date.now() / 1000)
+
+    const [containers, sites, backups, recent, uptime] = await Promise.all([
+      dockerService.list().catch((error: Error) => error),
+      Site.query().where('active', true).orderBy('domain'),
+      backupService.list(),
+      AuditLog.query().orderBy('id', 'desc').limit(8),
+      metricsService.uptime(),
+    ])
+
+    const docker =
+      containers instanceof Error
+        ? { ok: false as const, error: containers.message }
+        : {
+            ok: true as const,
+            total: containers.length,
+            running: containers.filter((c) => c.state === 'running').length,
+            unhealthy: containers.filter((c) => c.health === 'unhealthy').map((c) => c.name),
+            stopped: containers.filter((c) => c.state !== 'running').map((c) => c.name),
+          }
+
+    return {
+      host: {
+        latest: metricsService.latest,
+        uptime,
+        cpus: os.cpus().length,
+      },
+      docker,
+      sites: {
+        total: sites.length,
+        up: sites.filter((site) => site.lastOk === true).length,
+        down: sites
+          .filter((site) => site.lastOk === false)
+          .map((site) => ({ id: site.id, domain: site.domain, error: site.lastError })),
+        certSoon: sites
+          .filter(
+            (site) => site.certExpiresAt && site.certExpiresAt - now < CERT_WARNING_DAYS * 86_400
+          )
+          .map((site) => ({
+            id: site.id,
+            domain: site.domain,
+            days: Math.floor((site.certExpiresAt! - now) / 86_400),
+          })),
+      },
+      backups: {
+        last: backups[0] ?? null,
+        count: backups.length,
+        schedule: backupService.schedule,
+      },
+      recent: recent.map((entry) => ({
+        id: entry.id,
+        action: entry.action,
+        target: entry.target,
+        status: entry.status,
+        username: entry.username,
+        createdAt: entry.createdAt.toISO(),
+      })),
+    }
+  }
+}