Zain Zafar

Rails 5.2 + Puma doesn't work when Puma workers are enabled

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My environment: Rails 5.2.0 Octopus: 0.10.1 Puma 3.12.0 ```bash undefined method `any?' for nil:NilClass activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:421:in `block in connected?' /Users/zain/.rbenv/versions/2.6.0/lib/ruby/2.6.0/monitor.rb:230:in `mon_synchronize' activerecord (5.2.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:421:in `connected?' ar-octopus (0.10.1) lib/octopus/proxy.rb:73:in `safe_connection'...

How does one define multiple slaves in `database.yml`? Specifically asking since we have multiple follower databases in heroku which we wanna specify as slaves in `database.yml`.