feat(pm2): add ecosystem config for cluster mode (6 instances, 512MB)

ecosystem.config.cjs

@@ -0,0 +1,22 @@
+module.exports = {
+  apps: [
+    {
+      name: "next",
+      script: "pnpm",
+      args: "start",
+      exec_mode: "cluster",
+      instances: 0,
+      max_memory_restart: "512M",
+      env: {
+        NODE_ENV: "production",
+        PORT: 3002,
+        RCON_PORT: 3003,
+        NEXT_PHASE: "phase-production-server",
+      },
+      merge_logs: true,
+      error_file: ".pm2/errors.log",
+      out_file: ".pm2/out.log",
+      log_date_format: "YYYY-MM-DD HH:mm:ss",
+    },
+  ],
+};