Spring Boot 3 with Redis Cache

An example of a RESTful WebServer developed using Spring & SpringBoot.

This example explained about spring boot3 with cache redis server.

Why HTTP Caching Matters for APIs?

Caching is reduce the number of calls made to your endpoint and also improve the latency of requests to your API.

• Performance improvement
• Reduced server load
• Bandwidth optimization
• Scalability
• Handling traffic spikes

When should using Cache for APIs?

Using cache when your data is not volatile real-time data.

Requirements

The fully fledged server uses the following:

• Spring Framework
• SpringBoot
• Log4j2
• Spring Data JPA
• h2 Database
• Spring Data Redis
• Mapstruct
• Lombok

Dependencies

There are a number of third-party dependencies used in the project. Browse the Maven pom.xml file for details of libraries and versions used.

<dependencies>
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter</artifactId>
		<exclusions>
			<exclusion>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-starter-logging</artifactId>
			</exclusion>
		</exclusions>
	</dependency>

	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-log4j2</artifactId>
	</dependency>
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-data-jpa</artifactId>
	</dependency>
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-data-redis</artifactId>
	</dependency>
	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-web</artifactId>
	</dependency>

	<dependency>
		<groupId>org.springdoc</groupId>
		<artifactId>springdoc-openapi-starter-webmvc-ui</artifactId>
		<version>2.0.2</version>
	</dependency>

	<dependency>
		<groupId>com.h2database</groupId>
		<artifactId>h2</artifactId>
		<scope>runtime</scope>
		<version>2.2.224</version>
	</dependency>

	<dependency>
		<groupId>org.mapstruct</groupId>
		<artifactId>mapstruct</artifactId>
		<version>${mapstruct.version}</version>
	</dependency>
	<dependency>
		<groupId>org.projectlombok</groupId>
		<artifactId>lombok</artifactId>
		<version>${lombok.version}</version>
		<optional>true</optional>
	</dependency>

	<dependency>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-test</artifactId>
		<scope>test</scope>
	</dependency>
</dependencies>

Building the project

You will need:

• Java JDK 17 or higher
• Maven 3.5.1 or higher
• Tomcat 10.1

Clone the project and use Maven to build the server

$ mvn clean install

Swagger UI access

http://localhost:8080/swagger-ui.html