If you are running Spring Boot applications that use MongoDB in production, chances are that your data model evolved over time. And it will likely change in the future. Applying migrations is essential to keep the data consistent and your project running gracefully over time. There are many ways to handle data migrations for MongoDB,… Continue reading
Posts in "Java"
Spring Boot Custom Banner Example
In this post, I’ll show you how easy it is to create a custom banner for your Spring Boot application. Step 1: Generate the banner The easiest way to generate a custom banner is online. There are plenty of sites out there that offer this functionality. Just google “spring boot custom banner generator” and you’ll… Continue reading
Spring Boot With MongoDB – Complete Course
I am really happy to announce that I have just finished my first course on Udemy. I’ve chosen a topic that is dear to my heart : Integrating Spring Boot with MongoDB. I have been using Mongo for a long time and with almost all of the major technology stacks : .NET, Node and Java…. Continue reading
Create Applications with Angular and Spring Boot Course
Spring Boot and Angular are two technologies that are becoming more and more popular. But combining them can be a little bit challenging, especially for developers familiar with more legacy JavaScript frameworks. That’s why I decided to create a video course that will teach you everything you need to create applications with Angular and Spring… Continue reading
Send emails in Spring Boot
If you are looking for a fast tutorial on how to send emails in Spring Boot applications, then you landed in the right place 😀 1) Add the spring-boot-starter-mail dependency to the pom.xml file <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency> 2) Configure a mail server for testing purposes. I would recommend Mailtrap, a free online service for… Continue reading
Install a Spring Boot Application as a Windows Service
Spring Boot applications are versatile by nature and provide a lot of deployment possibilities. In this post, I am going to show you how to install a Spring Boot application as a Windows service. It is a fairly simple process that should take a couple of minutes 😉 1. Sample Application For this demo, I… Continue reading
Initialize a Relational Database in Spring Boot Using Java or SQL
Initializing a database means to put it in a state that allows an application to work as expected. Think about it for a second. When you deliver a product to your client, do you ship it with an empty database and let them populate it or create the schema? I sure hope not 🙂 The… Continue reading
Fix Truncation of @PathVariable After Dot in Spring MVC
The Problem Recently, while working on a project I encountered a strange behavior with the path variable binding in Spring controllers. It seems that, by default, the text after the last dot gets truncated in the @PathVariable value. So I decided to share this problem and a solution for it in this post:) Let’s take… Continue reading
Spring Conditional Bean Configuration: Load Beans Based on Custom Conditions
In a previous post, I made a small demo on how to load Java beans based on properties defined in a configuration file. While this is a very common scenario, sometimes you might need to create beans based on completely custom conditions. Once again, Spring provides an elegant solution for this: the @Conditional annotation. The… Continue reading
Spring Conditional Bean Configuration: Load Beans Based on Application Properties File
In complex applications, there are times when you will want the Spring dependency injector to create an instance of a class based on a given condition. One common case is to configure the bean definition based on a property defined in the application.properties file. By using this approach you can load custom beans at runtime… Continue reading