puppeteer.js

const puppeteer = require('puppeteer');
require('dotenv').config();

class Browser {
  constructor() {
    this.url = 'https://ssi.caxias.rs.gov.br';
    this.user = process.env.USER;
    this.password = process.env.PASSWORD;
    this.browserOptions = {
      headless: false,
      defaultViewport: null,
      args: ['--start-maximized'],
      executablePath: '/usr/bin/chromium'
    };
    this.browser=null;
    this.login = async() => {
      this.browser = await puppeteer.launch(this.browserOptions);
      const page = await this.browser.newPage();
      await page.goto(this.url);
      await page.type('#nm_login', this.user);
      await page.type('#nm_senha', this.password);
      await page.$eval('#Form1', (form) => form.submit());
      // await page.screenshot({ path: 'example.png' });
      // await browser.close();
    };
    this.close = async () => {
      await this.browser.close();
    }
  }
}

(async () => {
  const brow = new Browser();
  await brow.login()
  // await brow.close()
})();