YuichiYagisawa

$ heroku logs --tail
2019-04-14T12:09:10.352417+00:00 app[web.1]: [4] * Preloading application
2019-04-14T12:09:13.719013+00:00 app[web.1]: [4] * Listening on tcp://0.0.0.0:10745
2019-04-14T12:09:13.719252+00:00 app[web.1]: bundler: failed to load command: puma (/app/vendor/bundle/ruby/2.5.0/bin/puma)
2019-04-14T12:09:13.719261+00:00 app[web.1]: Errno::EADDRINUSE: Address already in use - bind(2) for "0.0.0.0" port 10745
2019-04-14T12:09:13.719268+00:00 app[web.1]: /app/vendor/bundle/ruby/2.5.0/gems/puma-3.12.1/lib/puma/binder.rb:273:in `initialize'
2019-04-14T12:09:13.719270+00:00 app[web.1]: /app/vendor/bundle/ruby/2.5.0/gems/puma-3.12.1/lib/puma/binder.rb:273:in `new'
2019-04-14T12:09:13.719272+00:00 app[web.1]: /app/vendor/bundle/ruby/2.5.0/gems/puma-3.12.1/lib/puma/binder.rb:273:in `add_tcp_listener'
2019-04-14T12:09:13.719273+00:00 app[web.1]: /app/vendor/bundle/ruby/2.5.0/gems/puma-3.12.1/lib/puma/binder.rb:106:in `block in parse'
2019-04-14T12:09:13.719275+00:00 app[web.1]: /app/vendor/bundle/ruby/2.5