In this tutorial, you will learn how to create a console-based Spring Boot application that you can run in the terminal window on your computer. You will also learn to pass command-line arguments to your Spring Boot console-based application. For more Spring Boot tutorials and video lessons check this page: Spring Boot tutorials and video lessons.…
Read More Spring Boot Console ApplicationMaven is a build automation tool that is primarily used for Java projects. It provides a set of conventions for building and managing projects, making it easier to manage dependencies, build processes, and project configurations. Maven automates many of the tedious tasks associated with building and managing Java projects, such as compiling source code, creating…
Read More How to Install Maven on Mac OSIn this tutorial, you will learn a few ways how to run your code when Spring Bean has initialized. There are other ways that are not mentioned in this tutorial, but the three mentioned here are my favourite. Using @PostConstruct One of the ways to run your code right after a Bean has been initialized…
Read More Run Code When Spring Bean Is InitializedIn this tutorial, you will learn to create a Docker image for your Spring Cloud Config Server, which uses Symmetric or Asymmetric encryption to protect sensitive information. To learn how to create Spring Cloud Config that uses Symmetric encryption, read Spring Cloud Config – Symmetric Encryption and Decryption(Includes Video tutorial). And to learn how to create Spring…
Read More Docker Image for Spring Cloud Config ServerIn this tutorial, I will share with you how to secure Spring Cloud Eureka dashboard with Spring Security. To learn how to build RESTful Microservices with Spring Cloud by watching step-by-step video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Add Spring Security to Eureka To secure Eureka with Spring Security, we will…
Read More Secure Eureka Dashboard with Spring SecurityThis tutorial will teach you how to use Spring Cloud Sleuth with Zipkin to trace HTTP requests across your Microservices. Using Spring Cloud Sleuth and Zipkin, you can aggregate in one place the information about HTTP requests that your Microservices sent and the time it took for the HTTP Request to complete. This will help…
Read More Spring Cloud Sleuth and ZipkinIn this tutorial, I will share with you how you can use Feign ErrorDecoder to handle errors that occur when using Feign client in Microservices communication. For step-by-step video beginner lessons demonstrating how to do Feign error handling and how to build Microservices with Spring Boot and Spring Cloud, have a look at this page: Spring…
Read More Feign Error Handling with ErrorDecoderIn this tutorial, you will learn how to use Netflix Hystrix circuit breakers to enable your Microservices to gracefully handle situations when one of the Microservices becomes unavailable to handle a request during inter-service communication. For step-by-step beginner video lessons demonstrating how to use Hystrix Circuit Breaker and how to build Microservices in Spring Cloud,…
Read More Hystrix CircuitBreaker and FeignIn this tutorial, I will share how to use Feign Client to send HTTP Requests to another Microservice. For a step-by-step series of video lessons, please check this page: Spring Boot Microservices and Spring Cloud. Adding Feign to Your Project To use Feign Client in your Spring Boot application, add the following dependency to a…
Read More Feign Client to Call Another MicroserviceIn this tutorial, you will learn how to use Asymmetric Encryption(RSA key pair) to encrypt sensitive information in configuration properties served by Spring Cloud Config Server. Asymmetric Encryption is a stronger encryption type than symmetric encryption(shared key), but it requires a little bit more effort to set up because we need to generate an encryption key. We…
Read More Spring Cloud Config – Asymmetric Encryption and DecryptionIn this tutorial, you will learn how to encrypt and decrypt a property value that is being served by Spring Cloud Config Server. The Config Server can use a symmetric (shared) key or an asymmetric one (RSA key pair). In this tutorial, we will use the symmetric key. For Asymmetric Encryption, read this tutorial: Spring Cloud…
Read More Spring Cloud Config – Symmetric Encryption and DecryptionIn this tutorial, you will learn how to use Declarative REST Client Feign to make HTTP Requests RESTful Web Services. You can use Feign client to make HTTP Requests to a registered with Eureka Discovery Service Microservice or to an external RESTful Web Service. For a step-by-step series of video lessons, please check this page:…
Read More Spring Feign Client HTTP Request ExampleIn this Spring Boot tutorial, you will learn how to implement User Authentication(User Login) functionality for your RESTful Web Service application. There is also a step-by-step video demonstration on how to do User Authentication available here. The user authentication functionality we are going to implement in this tutorial will work the following way: A user…
Read More User Authentication – Spring Boot, Spring Security, JWTThis tutorial will teach you how to bind nested properties from the application.properties file to a Java class. Once you finish this tutorial, you might also want to check: How to bind simple(not nested) properties to a Java class, and How to use @ConfigurationProperties with Spring Boot @Profile. Example of Nested Properties in a Properties File…
Read More Spring Boot Nested Properties with @ConfigurationPropertiesIn this tutorial, you will learn how to use @ConfigurationProperties with Spring Boot Profiles. This tutorial assumes you have a basic knowledge of how to use @ConfigurationProperties in your Spring Boot application. If you are very new to it, please read this tutorial: Spring Boot @ConfigurationProperties Tutorial. You should also have basic knowledge of Spring Boot…
Read More Using Spring Boot @ConfigurationProperties and @Profile