const config = {
  database: 'database-name',
  host: 'host-or-ip',
  // this object will be passed to the TLSSocket constructor
  ssl: {
    rejectUnauthorized: false,
    ca: fs.readFileSync('/path/to/server-certificates/root.crt').toString(),
    key: fs.readFileSync('/path/to/client-key/postgresql.key').toString(),
    cert: fs.readFileSync('/path/to/client-certificates/postgresql.crt').toString(),
  },
}