After the Readme and the build jobs, next, perhaps we should look at a system’s entry points. The build jobs or the Readme probably gave hints as to what the entry points were. Docker ENTRYPOINT Did you discover a Docker build in the previous explorations? Look at the ENTRYPOINT that was defined in the Dockerfile, … Read more
Okay, this is a bit of a change in direction. We will actually be running WebLogic 12 in Kubernetes. The instructions should work fine for WebLogic 14 (according to Oracle). However, the domain I am testing with we know works in WebLogic 12, and the Docker and Kubernetes setup comes defaulted to WL 12. So … Read more
Today let’s dig a bit into running WebLogic 14 in Kubernetes. History A bit of history, at least from my perspective. Since WebLogic 12, Oracle has “supported” running WebLogic in a Docker container. Before this, WebLogic seemed to not really interact well with Docker, so things like exposing ports did not work. That’s kind of … Read more
Today we take a look at Docker image layers.
Just a quick introduction into Docker.
How do you keep microservices up to date? I don’t mean the code that you write, but all the underlying stuff that goes into your services. Things like the OS, programming language, software packages, etc. Monolithic In a monolith, this was relatively easy to take care of. There was a very small number of servers … Read more
I was recently looking at an example that had provided a VirtualBox VM image with “all the stuff” packed into it to work out of the box. I didn’t want to muck around much with VirtualBox, since I already have Docker working fine on my Mac. So I had to build up an Ubuntu image … Read more
How much time and effort do you put into tuning the JVM for your application? Do you just accept the defaults and run with it? Do you set the max heap size, and that’s good enough? Or do you reach in and really adjust the settings to fit your app perfectly? Defaults It seems like … Read more
Docker is supposed to not only transform how you run your applications in production, but also improve your local development environment. Yet I have not seen much around actually using Docker for development. In Your IDE There are now some plugins for various IDEs coming out that make use of Docker for development. IntelliJ’s Python … Read more