WireMock is an HTTP mock server. At its core it is web server that can be primed to serve canned responses to particular requests (stubbing) and that captures incoming requests so that they can be checked later (verification).

It also has an assortment of other useful features including record/playback of interactions with other APIs, injection of faults and delays, simulation of stateful behavior.

You can use maven-docker-plugin to create Docker image with artifacts built from your Maven project.

We just had a fun team outing to Shuangxi this weekend. We enjoyed drifting on Saturday and it was a quite wonderful experience.

There are kayaks and bamboo rafts in Shuangxi Rafting, while the former is exciting and is for two people and wooden paddles are used to drift you through the energetic waves, the latter is more relaxing. After rafting you can even take an ox cart among bamboo forests which is most certainly a different pace to raft.

This post is for tracking the process to solve a SSL issue after JDK 8 upgrade.

Do you know how many DB connections does your process obtain? How to locate the culprit process if your database server reaches its max connections limit unexpectly? It is easy to find it out on Linux just by a few commands

The JDK 8 HotSpot JVM is now using native memory for the representation of class metadata and is called Metaspace

Both ENTRYPOINT and CMD allow you to specify the startup command for an image, but there are subtle differences between them. There are many times where you’ll want to choose one or the other, but they can also be used together. We’ll explore the similarity and difference of the two instructions in below section.

If you don’t have a UI on your CentOS system, you need to configure your network via command line. Below are the steps.

You can check your network devices by ip command. Run ip addr, you will get output like below:

A walking through to install JDK on CentOS.

The double dot and triple dot have different meanings when use them in git diff and git log.

The command git diff typically only shows you the difference between the states of the tree between exactly two points in the commit graph.