Unit testing best practices

There are a lot of articles and blog posts written about unit testing best practices, patterns etc. Over the course of years after writing many varieties of unit test cases with and without mocking frameworks and reviewing many tests, there are few patterns that I have noticed many times again and again. For a change instead of writing about best practices I have compiled a list of testing bad practices to avoid.

Continue reading

Enable email plugin for Logstash

Logstash comes with a bunch of plugins for input, filter and output processing pipelines. When monitoring logs using a platform like ELK the most requested feature is email notifications in case of sever error conditions or issues.  There are many options to enable sending emails using custom python scripts, Elastic watcher, elastalert, etc.

Continue reading

Spring Boot Essentials

As you have seen so far, Spring boot takes care of a lot of the boiler plate configurations required to setup a Spring application that we would have to do otherwise and helps us to get to the application coding part asap.

To do that, Spring boot has 4 tricks up its sleeve that it uses to accomplish what it does.

Continue reading

Spring Boot – Actuator setup

Spring Boot actuator provides useful metrics regarding your application like health, configurations, error pages, version information, etc. Setting up and using an Actuator in Spring Boot could not be easier than adding the correct dependency in the pom.xml file and using the appropriate url to access the metric information.

Continue reading