message: Improve health check response to include WAYPOINT_DEPLOYMENT_ID
  so that it is easier to see when deployments are live
diff: @@ -11,7 +11,17 @@ export default class HealthCheck {
  let db = await this.databaseManager.getClient();
  await db.query('SELECT 1');
  ctx.status = 200;
  - ctx.body = `Cardstack Hub is up and running at ${new Date().toISOString()}`;
  + let body = `
  +Cardstack Hub
  +-------------
  +Up and running at ${new Date().toISOString()}
  +${
  + process.env.WAYPOINT_DEPLOYMENT_ID
  + ? `Deployment ID: ${process.env.WAYPOINT_DEPLOYMENT_ID}`
  + : 'Running outside of Waypoint'
  +}
  +`;
  + ctx.body = body;
  });
  return healthCheckRouter.routes();
  