fix: use customer db url with password for pgbouncer health check

src/routes/customers.ts

@@ -240,9 +240,11 @@ export async function customerRoutes(app: FastifyInstance) {
           await sql.end();
         }
       })(),
-      // Try connecting via pgbouncer
+      // Try connecting via pgbouncer using the customer's db url from k8s secret
       (async () => {
-        const sql = postgres(`postgresql://${slug}@${PGBOUNCER_HOST}:${PGBOUNCER_PORT}/${slug}`, { max: 1, connect_timeout: 5 });
+        const secrets = await getSecret(namespace, "lunarfront-secrets").catch(() => null);
+        if (!secrets?.["database-url"]) return false;
+        const sql = postgres(secrets["database-url"], { max: 1, connect_timeout: 5 });
         try {
           await sql`SELECT 1`;
           return true;