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Guide to QuarkusIO 1. Introduction Nowadays, it’s very common to write an application and deploy to the cloud and not worry about the infrastructure. Serverless and FaaS have become very popular. In this type of environment, where instances are created and destroyed frequently, the time to boot and time to… Continue Reading quarkus-io
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Changing the Logging Level at the Runtime for a Spring Boot Application 1. Introduction In this tutorial, we’re going to look at ways we can change the logging level of a Spring Boot application at runtime. As with many things, Spring Boot has built-in logging functionality that configures it for… Continue Reading spring-boot-changing-log-level-at-runtime
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Introduction to Kubernetes 1. Overview In this tutorial, we’ll have a brief theoretical introduction to Kubernetes. In particular, we’ll discuss the following topics: Need for a container orchestration tool Features of Kubernetes Kubernetes architecture Kubernetes API For a more in-depth understanding, we can also have a look at the official documentation.… Continue Reading kubernetes
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Writing a Jenkins Plugin 1. Overview Jenkins is an open-source Continuous Integration server, which enables to create a custom plugin creation for particular task/environment. In this article, we’ll go through the whole process of creating an extension which adds statistics to the build output, namely, number of classes and lines… Continue Reading jenkins-custom-plugin
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Testing Web APIs with Postman Collections 1. Introduction To thoroughly test a web API, we need some kind of web client to access the API’s endpoints. Postman is a standalone tool that exercises web APIs by making HTTP requests from outside the service. When using Postman, we don’t need to… Continue Reading postman-testing-collections
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Web and Application Servers for Java 1. Overview In this quick article, we’ll describe the different popular servers for Java development. 2. Web vs. Application Server We’re going to see what are the differences between a web and application servers and which Java EE specifications these support. Simply put, the… Continue Reading java-servers
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Intro to Dropwizard Metrics 1. Introduction Metrics is a Java library which provides measuring instruments for Java applications. It has several modules, and in this article, we will elaborate metrics-core module, metrics-healthchecks module, metrics-servlets module, and metrics-servlet module, and sketch out the rest, for your reference. 2. Module metrics-core ====… Continue Reading dropwizard-metrics
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Guide to jlink 1. Overview jlink is a tool that generates a custom Java runtime image that contains only the platform modules that are required for a given application. Such a runtime image acts exactly like the JRE but contains only the modules we picked and the dependencies they need… Continue Reading jlink
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A Guide to Java Profilers 1. Overview Sometimes writing code that just runs is not enough. We might want to know what goes on internally such as how memory is allocated, consequences of using one coding approach over another, implications of concurrent executions, areas to improve performance, etc. We can… Continue Reading java-profilers
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Logging to Graylog with Spring Boot 1. Introduction Graylog is a log aggregation service. Simply put, it’s capable of collecting millions of log messages from multiple sources and displaying them in a single interface. And, it also provides a number of other features such as real-time alerts, dashboards with graphs… Continue Reading graylog-with-spring-boot
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