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Bartosz Krol

User interfaces are undoubtedly becoming more complex every day. The main reason for this is the emphasis put on front-end developers to provide a better user experience. Secondly, we are focusing much more on building complex realtime applications, rather than simple static webpages. It is no secret that this growing complexity is answered with a rapid rise of new JavaScript frameworks almost every day. Reactive programming is the new cool kid i [...]

Socket.IO with HAProxy on AWS We all know this feeling… You’ve done all your dev work on local environment, but it’s not working as planned on production. Now you think like you’ve wasted so much time trying to figure out what’s wrong. Here are some highlights from my story to make your life easier. Our setup We deploy our services on Amazon ECS clusters.Everything was working fine, until a new project heavily depending on real-time notifications [...]