1
/* Determine the port that the hub will serve on.
2

3
If the environment variable PORT is set, use that port; otherwise, use port 5000.
4

5
The default export of this module is the port number.
6
*/
7

8
const DEFAULT_PORT = 5000;
9

10
function port(): number {
11
  if (process.env.PORT) {
12
    return parseInt(process.env.PORT);
13
  }
14
  return DEFAULT_PORT;
15
}
16

17
export default port();
18

19