{:server {:port 3003
          :host "0.0.0.0"
          :max-connections 5000}
 :api    {:base-url "http://localhost:3001"}
 :nats   {:url "nats://localhost:4222"}
 :sse    {:ping-interval-ms 30000
          :backpressure-limit 1000}
 :presence {:batch-interval-ms 60000}}