Wait for elasticsearch on startup
Wait for elasticsearch on startup

Otherwise the application may not start due to ConnectionError.  That
shouldn't be an issue on production - the service will restart web
container in this case. However it bothers me on my local machine.

kinaklub/next.filmfest.by,nott/next.filmfest.by,nott/next.filmfest.by,nott/next.filmfest.by,kinaklub/next.filmfest.by,kinaklub/next.filmfest.by,kinaklub/next.filmfest.by,nott/next.filmfest.by