If you search for information about ConfigMap in OpenShift or Kubernetes then you find it’s a mechanism to abstract your application from configuration. ConfigMap is then way to define configuration values (usually in…
Are you Vim user and have you ever investigated long server logs with multiple identifiers needed to be tracked? Check out my plugin Vim syntax match that can help you with it. Topic background This…
OpenShift offers REST API to obtain information about mostly all aspects of the OpenShift instance. As the OpenShift is "an extension" on top of the Kubernetes there are two stable REST APIs base urls. First…
There are many articles on how to start and use docker. This one is a meant rather as my personal (hopefully complementary) notes. See these nice articles for example: http://blog.codepipes.com/containers/docker-for-java-big-picture.…
I wanted to write a Maven plugin with no experience on it. This is a short summary on my takeaways. As first step I would recommend Maven Apache documentation short tutorial at https://maven.apache.…
this is a bit follow-up article to http://blog.chalda.cz/2017/12/15/Docker-tags-and-registries.html Minishift is a "small version" of OpenShift where all the deployment setup is done as part of a virtual…
As a newcomer to the world of Docker and I struggle a bit with basic concepts. Here, I would like to summarize my observation about Docker tagging and repositories. If you build a Dockerfile (docker…
The Minishift is an tool which provides an easy way to run OpenShift locally on developer’s machine. Minishift uses an hypervisor to start a virtual machine where the whole OpenShift environment is set…
I started to experiment with HAProxy where these are few notes on how to start with. I wanted to have HAProxy as a standalone program and not installed into my Linux machine with package system.…
Manipulating with XML in some easy way is part of my journey to get an easy way to change WildFly standalone.xml. Use of the Groovy and its tools came to me with tool Creaper…