Docker: NOT useless advices
In comments to our article “Docker: bad advices” there were many requests to explain why the Dockerfile described in it is so terrible. Summary of the previous story: two developers in a hard deadline made the Dockerfile. In the process, Ops – let’s call him…
Good, bad, evil – testing beginners in a project
Tests are necessary, first of all, in order to convince everyone (including ourselves) that the program behaves as it should in test situations. Secondly, they ensure the performance of the code covered by tests in the future. Writing tests is a useful process, because during…
Cost effective code. Part 2
Graceful Degradation for low value code, tricky YAGNI The business value of the developed application is not evenly distributed throughout the code base. This statement is true for the amount of development effort. Until recent time, IE6 support was an example of a huge waste…
Cost effective code. Part 1
Software development is an area, which is always at risk. In our sphere, when one or several risks occur, the delivery time for the working version may change not by the usual and comfortable 10-20%, but by all 150-300%. And we must admit that this…
“Pulse”: Goals Management Rules
Rules program the organization, which means they must be defined. The method determines the Rules based on the prerequisites of the environment, if your situation is similar, then you can implement these rules, otherwise, adapt to your environment. First basic rules: Rules of the Goals….
Reducing the size of a docker image with a spring boot application
Recently, we faced the task of launching spring boot 2 applications in a kubernetes cluster using a docker image. This problem is not new, quickly enough we found examples in Google and prepared our application. We were very surprised not to find the alpine image…
How We Found a Cool Way to Link Business and DevOps
The DevOps philosophy, about development and software maintenance, will not surprise anyone. A new trend is gaining strength – DevOps 2.0 or BizDevOps. In it, three components merge into a single whole: business, development and support. And as DevOps engineering practices come form the basis…
What or who is DevOps?
In the life of every successful project, comes a moment when the number of servers begins to increase rapidly. The server with the application needs to cope with the load and you have to put into operation several more servers and a balancer in front…