Customize Spring Boot Application Port: Change Default Port using Command Line Properties

Welcome to our step-by-step guide on how to easily change the default port number of your Spring Boot application using command line properties. If you've ever wondered how to customize the port that your Spring Boot application runs on, this tutorial is for you!

**In this tutorial, you'll learn:**
- Why changing the default port number might be necessary for your application.
- How to set a custom port number for your Spring Boot application using the command line properties approach.
- Best practices and considerations for choosing a new port number.

**Why Change the Default Port Number?**
By default, Spring Boot applications run on port 8080. However, in some cases, you might need to use a different port to avoid conflicts with other applications, comply with specific network or firewall configurations, or simply for better organization and management of your services.

**Step-by-Step Guide:**
1. **Introduction to Command Line Properties:** Learn how to pass external configurations to your Spring Boot application via command line arguments.

2. **Locating the Application's Default Port:** Find out how to identify the current default port your Spring Boot application is using.

3. **Selecting a New Port Number:** Understand how to choose a suitable port number that suits your application's requirements.

4. **Implementing the Change:** See the exact command line syntax to specify the new port number while starting your Spring Boot application.

5. **Verifying the Port Change:** Learn how to confirm that your application is running on the newly configured port.

**Prerequisites:**
- Basic knowledge of Spring Boot and Java.
- A Spring Boot application that you want to configure the port for.

**Note of Caution:** When changing the port number, ensure that the selected port is not in use by any other application or service on your system. Avoid using well-known ports (e.g., 80, 443) unless necessary, as they may require administrative privileges.

Join us in this comprehensive tutorial, and take full control of your Spring Boot application's port configuration! Remember to like, subscribe, and hit the notification bell for more practical tutorials on Spring Boot and other programming topics.

Let's get started and make your Spring Boot application more flexible and efficient with a custom port number! Happy coding!

Customize Spring Boot Application Port: Change Default Port using Command Line Properties | How to Change the Default Port number of Spring Boot Application using command line properties? | Spring Boot tutorial

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