feat: use managed Valkey with per-customer key prefix instead of in-cluster valkey

src/routes/customers.ts

@@ -113,11 +113,11 @@ export async function customerRoutes(app: FastifyInstance) {
       });
       const jwtSecret = crypto.randomBytes(32).toString("hex");
       const databaseUrl = `postgresql://${slug}:${user.password}@${PGBOUNCER_HOST}:${PGBOUNCER_PORT}/${slug}`;
-      const redisUrl = `redis://${namespace}-valkey:6379`;
       await createSecret(namespace, "lunarfront-secrets", {
         "database-url": databaseUrl,
         "jwt-secret": jwtSecret,
-        "redis-url": redisUrl,
+        "redis-url": config.managedValkeyUrl,
+        "redis-key-prefix": slug,
       });
       await setStep("namespace", "done");
       await setStep("secrets", "done");