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Deploying the Application

Deploying your Spring Boot application is the final step in the software development process. In this section, we will guide you through the process of deploying your Spring Boot application to various deployment environments. We will cover deploying to a local development environment, deploying to a standalone server, and deploying to cloud platforms. We will explain the deployment options, demonstrate how to configure your application for deployment, and provide code samples to illustrate the deployment process in a Spring Boot application.

1. Deploying to a Local Development Environment:

When deploying your Spring Boot application to a local development environment, you typically use an embedded server, such as Tomcat or Jetty, that is provided by Spring Boot. The embedded server allows you to run your application as a standalone executable JAR file. Here’s an example of deploying a Spring Boot application using the embedded Tomcat server:

Step 1: Build your Spring Boot application using Maven or Gradle as discussed in earlier sections.

Step 2: Open a terminal or command prompt, navigate to the project directory, and run the following command:

“`
java -jar target/my-spring-boot-app.jar
“`

This command starts the embedded Tomcat server and deploys your application. You can access your application by visiting `http://localhost:8080` in your web browser.

2. Deploying to a Standalone Server:

If you want to deploy your Spring Boot application to a standalone server, you can package it as a WAR file and deploy it to a servlet container like Tomcat, Jetty, or WildFly. Here’s an example of deploying a Spring Boot application to Tomcat:

Step 1: Update the packaging format in your build configuration. For Maven, set the `<packaging>` element in the `pom.xml` file to `war`. For Gradle, apply the `war` plugin in the `build.gradle` file.

Step 2: Build your Spring Boot application using Maven or Gradle.

Step 3: Copy the generated WAR file (`target/my-spring-boot-app.war`) to the webapps directory of your Tomcat installation.

Step 4: Start the Tomcat server. You can do this by executing the startup script located in the Tomcat `bin` directory.

Step 5: Access your application by visiting `http://localhost:8080/my-spring-boot-app` in your web browser.

3. Deploying to Cloud Platforms:

Spring Boot provides excellent support for deploying applications to cloud platforms such as Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). These cloud providers offer platform-as-a-service (PaaS) solutions where you can easily deploy your Spring Boot application. Here’s a high-level overview of the deployment process:

Step 1: Create an account and set up your environment on the cloud platform of your choice.

Step 2: Build your Spring Boot application using Maven or Gradle.

Step 3: Follow the documentation provided by the cloud provider to deploy your application. This typically involves creating a deployment artifact, configuring environment variables, and specifying any required services or resources.

Step 4: Deploy your application to the cloud platform using the provided tools or APIs.

Step 5: Access your application using the assigned URL or IP address provided by the cloud platform.

Conclusion:

Deploying your Spring Boot application is the final step in the development process, allowing you to make your application available to users. In this section, we explored different deployment options, including deploying to a local development environment, deploying to a standalone server, and deploying to cloud platforms. By following the provided code samples and leveraging the appropriate deployment techniques, you can successfully deploy your Spring Boot application. In the next section, we will dive into advanced topics and best

practices for Spring Boot development.

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About Author
Ozzie Feliciano CTO @ Felpfe Inc.

Ozzie Feliciano is a highly experienced technologist with a remarkable twenty-three years of expertise in the technology industry.

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