based on Official Guide
# Download Gradle binary-only
wget https://services.gradle.org/distributions/gradle-5.0-bin.zip
# Unpack the distribution
sudo mkdir /opt/gradle
unzip -d /opt/gradle gradle-5.0-bin.zip
# Configure your system environment
export PATH=$PATH:/opt/gradle/gradle-5.0/bin
# Verify your installation
gradle -vCreate project directory src/main/java/hello
mkdir -p src/main/java/helloCreate build gradle settings build.gradle (example with sublime text editor)
subl build.gradleAdd content
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath("org.springframework.boot:spring-boot-gradle-plugin:2.0.5.RELEASE")
}
}
apply plugin: 'java'
apply plugin: 'eclipse'
apply plugin: 'idea'
apply plugin: 'org.springframework.boot'
apply plugin: 'io.spring.dependency-management'
bootJar {
baseName = 'gs-spring-boot'
version = '0.1.0'
}
repositories {
mavenCentral()
}
sourceCompatibility = 1.8
targetCompatibility = 1.8
dependencies {
compile("org.springframework.boot:spring-boot-starter-web")
testCompile("junit:junit")
}Create class HelloController (example with sublime text editor)
subl src/main/java/hello/HelloController.javaAdd content
package hello;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RequestMapping;
@RestController
public class HelloController {
@RequestMapping("/")
public String index() {
return "Greetings from Spring Boot!\n";
}
}Create class Application (example with sublime text editor)
subl src/main/java/hello/Application.javaAdd content
package hello;
import java.util.Arrays;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Bean
public CommandLineRunner commandLineRunner(ApplicationContext ctx) {
return args -> {
System.out.println("Let's inspect the beans provided by Spring Boot:");
String[] beanNames = ctx.getBeanDefinitionNames();
Arrays.sort(beanNames);
for (String beanName : beanNames) {
System.out.println(beanName);
}
};
}
}Run Gradle build
gradle build && java -jar build/libs/gs-spring-boot-0.1.0.jarWait to build the project...
Run:
curl localhost:8080See result
Greetings from Spring Boot!