sov-test-postgres-sql/server.js at master · Born14/sov-test-postgres-sql · GitHub

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const express = require('express');
const { Pool } = require('pg');

const app = express();
const port = process.env.PORT || 3000;

const pool = new Pool({
  host: process.env.DB_HOST || 'db',
  port: process.env.DB_PORT || 5432,
  user: process.env.DB_USER || 'postgres',
  password: process.env.DB_PASSWORD || 'postgres',
  database: process.env.DB_NAME || 'testdb',
});

app.get('/', async (req, res) => {
  try {
    const result = await pool.query('SELECT * FROM items ORDER BY id');
    res.send(`
      <html>
      <head><title>Test PG App</title></head>
      <body>
        <h1>Items</h1>
        <ul>${result.rows.map(r => `<li>${r.name} - ${r.description}</li>`).join('')}</ul>
      </body>
      </html>
    `);
  } catch (err) {
    res.status(500).send(`<h1>DB Error</h1><pre>${err.message}</pre>`);
  }
});

app.get('/health', async (req, res) => {
  try {
    await pool.query('SELECT 1');
    res.json({ status: 'ok' });
  } catch {
    res.status(503).json({ status: 'unhealthy' });
  }
});

app.listen(port, () => console.log(`Listening on port ${port}`));