Support Next.js standalone runtime in websites deploy agent.

Copy static/public into the standalone bundle, point PM2 at server.js, and drop full node_modules after a successful start.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/websites-agent/deploy.sh

@@ -10,6 +10,7 @@ fi
 ROOT="/var/www/sites/$SLUG"
 LOG="/var/log/websites/deploy-$SLUG.log"
 STATUS="/var/log/websites/deploy-$SLUG.status.json"
+ECOSYSTEM="/var/www/sites/ecosystem.config.cjs"
 exec >>"$LOG" 2>&1
 
 write_status() {
@@ -78,7 +79,97 @@ fi
 
 npm ci
 npm run build
-pm2 restart "$SLUG" --update-env || pm2 start /var/www/sites/ecosystem.config.cjs --only "$SLUG"
+
+# Next.js standalone: copy static assets Next does not place in standalone/, then
+# point PM2 at server.js and drop the full node_modules tree.
+if [[ -f .next/standalone/server.js ]]; then
+  echo "standalone build detected — preparing runtime bundle"
+  mkdir -p .next/standalone/.next
+  rm -rf .next/standalone/.next/static
+  cp -a .next/static .next/standalone/.next/static
+  if [[ -d public ]]; then
+    rm -rf .next/standalone/public
+    cp -a public .next/standalone/public
+  fi
+
+  SLUG="$SLUG" ROOT="$ROOT" ECOSYSTEM="$ECOSYSTEM" node <<'NODE'
+const fs = require('fs');
+const path = process.env.ECOSYSTEM;
+const slug = process.env.SLUG;
+const root = process.env.ROOT;
+let cfg = { apps: [] };
+try {
+  delete require.cache[require.resolve(path)];
+  cfg = require(path);
+  if (!Array.isArray(cfg.apps)) cfg.apps = [];
+} catch (_) {
+  cfg = { apps: [] };
+}
+
+const app = cfg.apps.find((a) => a.name === slug);
+if (!app) {
+  console.error('ecosystem entry missing for', slug);
+  process.exit(1);
+}
+
+const port =
+  (app.env && Number(app.env.PORT)) ||
+  (String(app.args || '').match(/--port\s+(\d+)/) || [])[1] ||
+  3005;
+
+app.cwd = root + '/.next/standalone';
+app.script = 'server.js';
+app.args = '';
+app.env = {
+  NODE_ENV: 'production',
+  PORT: String(port),
+  HOSTNAME: '127.0.0.1',
+};
+
+const lines = ['module.exports = {', '  apps: ['];
+cfg.apps.forEach((entry, idx) => {
+  lines.push('    {');
+  lines.push(`      name: ${JSON.stringify(entry.name)},`);
+  lines.push(`      cwd: ${JSON.stringify(entry.cwd)},`);
+  lines.push(`      script: ${JSON.stringify(entry.script)},`);
+  if (entry.args) {
+    lines.push(`      args: ${JSON.stringify(entry.args)},`);
+  }
+  lines.push('      env: {');
+  lines.push(`        NODE_ENV: ${JSON.stringify(entry.env.NODE_ENV)},`);
+  lines.push(`        PORT: ${JSON.stringify(entry.env.PORT)},`);
+  if (entry.env.HOSTNAME) {
+    lines.push(`        HOSTNAME: ${JSON.stringify(entry.env.HOSTNAME)},`);
+  }
+  lines.push('      },');
+  lines.push(`      error_file: ${JSON.stringify(entry.error_file)},`);
+  lines.push(`      out_file: ${JSON.stringify(entry.out_file)},`);
+  lines.push('      time: true,');
+  lines.push(idx === cfg.apps.length - 1 ? '    }' : '    },');
+});
+lines.push('  ],');
+lines.push('};');
+lines.push('');
+fs.writeFileSync(path, lines.join('\n'));
+console.log('ecosystem updated for standalone:', slug, 'port', port);
+NODE
+
+  # Full delete+start so PM2 picks up new cwd/script (restart alone keeps old path).
+  pm2 delete "$SLUG" || true
+  pm2 start "$ECOSYSTEM" --only "$SLUG"
+  pm2 save || true
+
+  echo "removing full node_modules (standalone runtime keeps its own minimal copy)"
+  rm -rf node_modules
+
+  echo "==== $(date -u +%Y-%m-%dT%H:%M:%SZ) deploy ok (standalone): $SLUG ===="
+  write_status "success" "Deployed origin/$BRANCH (standalone)"
+  trap - ERR
+  exit 0
+fi
+
+echo "no standalone output — using next start (legacy)"
+pm2 restart "$SLUG" --update-env || pm2 start "$ECOSYSTEM" --only "$SLUG"
 pm2 save || true
 
 echo "==== $(date -u +%Y-%m-%dT%H:%M:%SZ) deploy ok: $SLUG ===="