Enabling HTTP Response Compression in Spring Microservices

In the world of microservices, every bit of optimization counts when it comes to improving the performance of your API. One of the most efficient ways to reduce the size of your API responses is by enabling Gzip compression. In this tutorial, we will guide you through the process of enabling Gzip compression for Spring microservice API responses.

Step 1: Add Gzip Dependency to your Project

The first step in enabling Gzip compression is to add the required dependency to your project. You can do this by adding the following lines to your pom.xml file:

The first dependency is the Spring Boot starter web dependency, which provides a set of pre-configured dependencies for building web applications. The second dependency is the Apache HttpComponents HttpClient, which is used to enable Gzip compression for API responses.

Step 2: Configure Gzip Compression in application.properties

The next step is to configure Gzip compression in the application.properties file. You can do this by adding the following lines to the file:

Here, we have enabled Gzip compression for JSON, XML, HTML, and plain text content types. You can modify this list based on your API’s response types. Additionally, we have set the min-response-size to 1024 bytes, which means that only responses larger than 1KB will be compressed.

Step 3: Test Gzip Compression

The final step is to test whether Gzip compression is working or not. You can do this by making a request to your API and checking the response header Content-Encoding value, which should be “gzip” if compression is working.

Congratulations! You have successfully enabled Gzip compression for your Spring microservice API responses.

In conclusion, enabling Gzip compression is a simple and effective way to reduce the size of your API responses and improve the performance of your microservices. With the steps outlined in this tutorial, you can easily enable Gzip compression for your Spring microservice API responses and enjoy the benefits of faster and more efficient microservices.

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