I think no one will be surprised if I say that OpenAPI specs are awesome. It is common practice to write OAS spec first. But what if you already have a product?

Recently on one of my side projects the time came to start MVP to prove hypothesis. I needed a solution to fast start without my own infrastructure and decided to deploy the project to the cloud. Using kubernetes on a daily basis made me too lazy to use ordinary virtual machines so I glanced at managed kubernetes services.

One of my most long-playing projects is integration of the Camunda engine to corporate infrastructure. It is a promising technology to raise business processes to a new level. Most problems in the enterprise domain arise on information transition between employees. Some tasks could be done by one person and wait in the task list of another for a few days or even weeks before the second person will have time to work it out. Such inefficientness lengthens the process overall. If tasks could be done immediately things would run much faster.

Quick memo: How to turn on file swap on linux server. Today I worked with server where by some reason was turned off swap. It seems that this machine was targeted as k8s worker node but then was repurposed as database server. It is good idea to have swap turned on there.

What you will find in this article:

• Description of IPCAD daemon that pretends as a Cisco router and provides aggregated network statistic
• Example of materialized views in ClickHouse database
• ipcad2ch utility that will help you to organize accounting of network traffic

Earlier we used image sprites to optimize network load of the sites. Now comes an era of vector graphics and particular SVG. I tried to use patterns that were familiar to me from previous lives and I could not. That’s why…