/**
 * PM2 ecosystem for the Gmail receipt watcher.
 *
 * Loads secrets from the monorepo root `.env` via dotenv in src/config.js.
 * Override port with WATCHER_PORT (default 3001; production on rpi4 uses 8083).
 *
 *   pm2 start ecosystem.config.cjs
 *   pm2 save
 */
module.exports = {
  apps: [
    {
      name: "gmail-watcher",
      cwd: __dirname,
      script: "src/index.js",
      interpreter: "node",
      instances: 1,
      exec_mode: "fork",
      autorestart: true,
      max_restarts: 10,
      restart_delay: 2000,
      env: {
        NODE_ENV: "production",
        WATCHER_PORT: "8083",
        // Pi has broken global IPv6 (SYN-SENT via link-local); Happy Eyeballs hangs Gmail calls.
        NODE_OPTIONS:
          "--dns-result-order=ipv4first --no-network-family-autoselection",
      },
    },
  ],
};