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

const pool = new Pool({
  host: process.env.POSTGRES_HOST || 'postgres',
  port: parseInt(process.env.POSTGRES_PORT || '5432'),
  database: process.env.POSTGRES_DB || 'taskmanager',
  user: process.env.POSTGRES_USER || 'taskuser',
  password: process.env.POSTGRES_PASSWORD || 'taskpass',
  max: 10,
  idleTimeoutMillis: 30000,
  connectionTimeoutMillis: 5000,
});

pool.on('error', (err) => {
  console.error('Unexpected PostgreSQL pool error:', err);
});

module.exports = pool;