Elastic Meetup

Cross-post of meetup organized through https://www.meetup.com/Zalando-Tech-Event-Helsinki/events/236602740/. See Zalando's event page for more information and sign up via Eventbrite: https://www.eventbrite.com/e/elastic-meetup-at-zalando-helsinki-tech-hub-tickets-30452109078. (https://www.eventbrite.com/e/elastic-meetup-at-zalando-helsinki-tech-hub-tickets-30452109078)