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Adis Nezirović•Aug 18, 2022•Software Architecture & Engineering

Docker Cake This one is very easy on the eyes (and stomach), and rather useful. You can have your cake and eat it too! Just launch HAProxy inside docker container, where HAProxy will proxy the trafic and log to stdout. In addition to that, HAProxy can start and monitor additional processes, so you don’t have to play stupid tricks to start multiple processes in the container. global log stdout format raw local0 debug defaults log global mode http option httplog clf option do

Adis Nezirović•Aug 18, 2022•Software Architecture & Engineering

TLS Calzone For some services, securing and logging access is paramount. For HTTPS traffic you can often get by with Basic HTTP Auth. Managing such solution can become slightly complicated (e.g. you need to implement account and secret management), so you try to find next best thing. Aside from the crazy modern stuff, there is a simple and very effective solution in the form TLS clients certificates. It is very effective, you can secure TCP or HTTP services, and user management can be pushed o

Adis Nezirović•Aug 18, 2022•Software Architecture & Engineering

Club Sandwich Starting usage pattern is a “sandwich” like structure, where our application is between the two HAProxy layers. All incoming traffic is going through HAProxy, which provides protection, SSL termination, and logging, while my app is not exposed to the outside world (it usually listens only on localhost/loopback). In addition to that, all outgoing (server-initiated) traffic is also going through HAProxy (database stuff, Redis/Memcached, connection to other HTTP services, logging).

Adis Nezirović•Aug 18, 2022•Software Architecture & Engineering

I’ve been away from web application development for quite a few years. To be honest, it has been a pleasant experience: no “annoying” customer requests, no endless changes and rewrites, only important stuff (TM). Just kidding of course, but systems programming is indeed different. One of the defining features of such development is that your app is just supposed to work, never stop working, recover automatically in case of failures, and log all interesting problems automatically. Fancy that,

Azra Jajetovic•May 26, 2022•Software Architecture & Engineering

CSS can significantly impact website performance. Azra shares practical tips on optimizing CSS for faster load times, reducing unused styles, and improving Lighthouse scores. Learn how tools like PurgeCSS and CSS variables enhance speed and user experience.