In this tutorial, I will show you how to install OpenSSL from source on macOS. First, you need to go to the Download page of OpenSSL to download the latest version, stability of it, at https://www.openssl.org/source/. Currently, the latest stable version of OpenSSL is 1.1.0… Read More
When working with JPA, one problem that you might encounter is that the table name in the database is defined in lowercase, but the entity that we declare to define the table name is uppercase or vice versa. For example, I have a table with… Read More
By default, you can start to use MongoDB server without having to log in with any user as I did in the tutorial how to install MongoDB on macOS. But in some cases, like the production environment, it’s much better to work with the MongoDB… Read More
In this tutorial, I will guide you all how to backup and restore your MongoDB database. First of all is the backup. We will use the mongodump tool which installed with MongoDB. The syntax for MongoDB database backup is as follows:
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./mongodump -d <database_need_backup> -o <folder_will_contain_backup_file> |
Inside: database_need_backup is… Read More
In the previous tutorial, I introduced you to the Eureka Server to allow services in a Microservices system can register and search for each other. In this tutorial, I will show you how services can be registered with the Eureka Server using the Eureka Client,… Read More
I have introduced you to Microservices and the great benefits it brings. The process of building a Microservices-style application will have many challenges, and one of those challenges is how to manage the services created, including their maintenance, scalability, and high availability. The larger the… Read More
Surely, you have heard two concepts Monolithic and Microservices in the way of organizing, building an application, right? In this tutorial, I will review the basic ideas of these two concepts for someone who does not know about it, or if someone already knew, we can… Read More
I introduced you to the @Value annotation to ingest the values of properties located in the properties files with the Spring framework. Of course, we can also use this @Value annotation in Spring Boot. However, in Spring Boot, we also have another annotation, @ConfigurationProperties, to do… Read More
Typically, in Unit Test, we will use Mocking frameworks such as Mockito, PowerMock to simulate how objects will execute when our Unit Test code calls their methods. Similarly, in Mule ESB, we also have the Mock component used in MUnit to simulate how endpoints in… Read More
By default, when we create a Spring Boot project, it will run as a web application with an embedded web container such as Tomcat, Jetty… So in case we want to run the Spring Boot project as a normal Java console, how do we do… Read More
