diff --git a/frontend/index.html b/frontend/index.html
index 8779caa..0405fad 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -729,6 +729,12 @@
               ? '<span class="badge badge-green">Exists</span>'
               : '<span class="badge badge-red">Not found</span>'}</span>
           </div>
+          <div class="stat-row">
+            <span class="stat-label">PgBouncer</span>
+            <span class="stat-value">${infra?.pgbouncer?.configured
+              ? '<span class="badge badge-green">Reachable</span>'
+              : '<span class="badge badge-red">Not configured</span>'}</span>
+          </div>
           <div class="stat-row">
             <span class="stat-label">Storage</span>
             <span class="stat-value">${infra?.spaces?.configured
diff --git a/src/lib/k8s.ts b/src/lib/k8s.ts
index 3cc9cd1..2652d5d 100644
--- a/src/lib/k8s.ts
+++ b/src/lib/k8s.ts
@@ -113,6 +113,17 @@ export async function getConfigMap(namespace: string, name: string): Promise<Rec
   return cm.data ?? {};
 }
 
+export async function syncArgoApp(name: string) {
+  await k8sFetch(`/apis/argoproj.io/v1alpha1/namespaces/argocd/applications/${name}`, {
+    method: "PATCH",
+    headers: { "Content-Type": "application/merge-patch+json" },
+    body: JSON.stringify({
+      metadata: { annotations: { "argocd.argoproj.io/refresh": "hard" } },
+      operation: { sync: { prune: true } },
+    }),
+  }, [404]);
+}
+
 export async function rolloutRestart(namespace: string, deployment: string) {
   return (await k8sFetch(`/apis/apps/v1/namespaces/${namespace}/deployments/${deployment}`, {
     method: "PATCH",
diff --git a/src/routes/customers.ts b/src/routes/customers.ts
index 4552495..54784eb 100644
--- a/src/routes/customers.ts
+++ b/src/routes/customers.ts
@@ -6,7 +6,7 @@ import { createDatabase, createDatabaseUser, deleteDatabase, deleteDatabaseUser
 import { addCustomerToPool, removeCustomerFromPool } from "../services/pgbouncer";
 import { addCustomerChart, removeCustomerChart, upgradeCustomerChart, upgradeAllCustomerCharts, getLatestChartVersion } from "../services/git";
 import { setupCustomerDatabase, teardownCustomerDatabase } from "../services/db";
-import { createNamespace, deleteNamespace, createSecret, createDockerRegistrySecret, patchSecret, getSecret, k8sFetch } from "../lib/k8s";
+import { createNamespace, deleteNamespace, createSecret, createDockerRegistrySecret, patchSecret, getSecret, k8sFetch, syncArgoApp } from "../lib/k8s";
 import { deleteSpacesObjects, getSpacesUsage } from "../services/spaces";
 import { createCustomerDnsRecord, deleteCustomerDnsRecord, getCustomerDnsRecord, checkCustomerHealth } from "../services/cloudflare";
 import { db } from "../db/manager";
@@ -229,8 +229,8 @@ export async function customerRoutes(app: FastifyInstance) {
     }
 
     // ── Infrastructure checks ─────────────────────────────────────────────────
-    const [dbCheck, sizeHistory, secrets, dnsCheck, healthCheck] = await Promise.allSettled([
-      // Try connecting to the customer DB
+    const [dbCheck, pgbouncerCheck, sizeHistory, secrets, dnsCheck, healthCheck] = await Promise.allSettled([
+      // Try connecting to the customer DB directly
       (async () => {
         const sql = postgres(config.doadminDbUrl.replace(/\/([^/?]+)(\?|$)/, `/${slug}$2`), { max: 1, connect_timeout: 5 });
         try {
@@ -240,6 +240,16 @@ export async function customerRoutes(app: FastifyInstance) {
           await sql.end();
         }
       })(),
+      // Try connecting via pgbouncer
+      (async () => {
+        const sql = postgres(`postgresql://${slug}@${PGBOUNCER_HOST}:${PGBOUNCER_PORT}/${slug}`, { max: 1, connect_timeout: 5 });
+        try {
+          await sql`SELECT 1`;
+          return true;
+        } finally {
+          await sql.end();
+        }
+      })(),
       db`
         SELECT recorded_at, db_size_bytes, spaces_size_bytes, spaces_object_count
         FROM customer_size_snapshots
@@ -253,11 +263,13 @@ export async function customerRoutes(app: FastifyInstance) {
     ]);
 
     const dbExists = dbCheck.status === "fulfilled" ? dbCheck.value : false;
+    const pgbouncerReachable = pgbouncerCheck.status === "fulfilled" ? pgbouncerCheck.value : false;
     const secretData = secrets.status === "fulfilled" ? secrets.value : null;
     const dns = dnsCheck.status === "fulfilled" ? dnsCheck.value : { exists: false, proxied: false, ip: null };
     const health = healthCheck.status === "fulfilled" ? healthCheck.value : { reachable: false, status: null };
     const infra = {
       database: { exists: dbExists },
+      pgbouncer: { configured: pgbouncerReachable },
       spaces: {
         configured: !!(secretData?.["spaces-prefix"]),
         bucket: secretData?.["spaces-bucket"] ?? null,
@@ -311,6 +323,7 @@ export async function customerRoutes(app: FastifyInstance) {
     if (!customer) return reply.code(404).send({ message: "Not found" });
     const version = await getLatestChartVersion();
     await upgradeCustomerChart(slug, version);
+    await syncArgoApp(`customer-${slug}`);
     await db`UPDATE customers SET updated_at = NOW() WHERE slug = ${slug}`;
     app.log.info({ slug, version }, "customer chart upgraded");
     return reply.send({ slug, version });
@@ -322,6 +335,7 @@ export async function customerRoutes(app: FastifyInstance) {
     const version = await getLatestChartVersion();
     const slugs = customers.map((c: any) => c.slug);
     await upgradeAllCustomerCharts(slugs, version);
+    await Promise.all(slugs.map((s: string) => syncArgoApp(`customer-${s}`)));
     app.log.info({ slugs, version }, "all customers chart upgraded");
     return reply.send({ upgraded: slugs, version });
   });