Cara Install dan Setting Environment Micronaut serta Buat Projectc Sederhana HELLO WORD

 

Install through Binary on Windows

• Download the latest binary from Micronaut Website

• Extract the binary to appropriate location (For example: C:\micronaut)

• Create an environment variable MICRONAUT_HOME which points to the installation directory i.e. C:\micronaut

• Update the PATH environment variable, append %MICRONAUT_HOME%\bin.

check version micronout menngunakan cmd or powershell : mn --version

Quick Start

The following sections walk you through a Quick Start on how to use the Micronaut framework to set up a basic "Hello World" application.

Before getting started ensure you have a Java 8 or higher JDK installed, and it is recommended that you use a suitable IDE such as IntelliJ IDEA

Creating a Server Application

pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>example.micronaut</groupId>

  <artifactId>default</artifactId>

  <version>0.1</version>

  <packaging>${packaging}</packaging>

  <parent>

    <groupId>io.micronaut.platform</groupId>

    <artifactId>micronaut-parent</artifactId>

    <version>4.5.0</version>

  </parent>

  <properties>

    <packaging>jar</packaging>

    <jdk.version>17</jdk.version>

    <release.version>17</release.version>

    <micronaut.version>4.5.0</micronaut.version>

    <micronaut.aot.enabled>false</micronaut.aot.enabled>

    <micronaut.aot.packageName>example.micronaut.aot.generated</micronaut.aot.packageName>

    <micronaut.runtime>netty</micronaut.runtime>

    <exec.mainClass>example.micronaut.Application</exec.mainClass>

  </properties>

  <repositories>

    <repository>

      <id>central</id>

      <url>https://repo.maven.apache.org/maven2</url>

    </repository>

  </repositories>

  <dependencies>

    <dependency>

        <groupId>io.micronaut.data</groupId>

        <artifactId>micronaut-data-hibernate-jpa</artifactId>

    </dependency>

    <dependency>

        <groupId>io.micronaut.sql</groupId>

        <artifactId>micronaut-jdbc-hikari</artifactId>

    </dependency>

    <!-- MySQL JDBC driver -->

    <dependency>

        <groupId>mysql</groupId>

        <artifactId>mysql-connector-java</artifactId>

        <scope>runtime</scope>

    </dependency>

    <dependency>

      <groupId>io.micronaut</groupId>

      <artifactId>micronaut-http-server-netty</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>io.micronaut.serde</groupId>

      <artifactId>micronaut-serde-jackson</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>ch.qos.logback</groupId>

      <artifactId>logback-classic</artifactId>

      <scope>runtime</scope>

    </dependency>

    <dependency>

      <groupId>io.micronaut</groupId>

      <artifactId>micronaut-http-client</artifactId>

      <scope>test</scope>

    </dependency>

    <dependency>

      <groupId>io.micronaut.test</groupId>

      <artifactId>micronaut-test-junit5</artifactId>

      <scope>test</scope>

    </dependency>

    <dependency>

      <groupId>org.junit.jupiter</groupId>

      <artifactId>junit-jupiter-api</artifactId>

      <scope>test</scope>

    </dependency>

    <dependency>

      <groupId>org.junit.jupiter</groupId>

      <artifactId>junit-jupiter-engine</artifactId>

      <scope>test</scope>

    </dependency>

  </dependencies>

  <build>

    <plugins>

      <plugin>

        <groupId>io.micronaut.maven</groupId>

        <artifactId>micronaut-maven-plugin</artifactId>

        <configuration>

          <configFile>aot-${packaging}.properties</configFile>

        </configuration>

      </plugin>

      <plugin>

        <groupId>com.diffplug.spotless</groupId>

        <artifactId>spotless-maven-plugin</artifactId>

        <version>2.41.1</version>

        <configuration>

          <java>

              <licenseHeader>

                  <file>${project.basedir}/LICENSEHEADER</file>

              </licenseHeader>

          </java>

        </configuration>

      </plugin>

      <plugin>

        <groupId>org.apache.maven.plugins</groupId>

        <artifactId>maven-enforcer-plugin</artifactId>

      </plugin>

      <plugin>

        <groupId>org.apache.maven.plugins</groupId>

        <artifactId>maven-compiler-plugin</artifactId>

        <configuration>

          <!-- Uncomment to enable incremental compilation -->

          <!-- <useIncrementalCompilation>false</useIncrementalCompilation> -->

          <annotationProcessorPaths combine.children="append">

            <path>

              <groupId>io.micronaut</groupId>

              <artifactId>micronaut-http-validation</artifactId>

              <version>${micronaut.core.version}</version>

            </path>

            <path>

              <groupId>io.micronaut.serde</groupId>

              <artifactId>micronaut-serde-processor</artifactId>

              <version>${micronaut.serialization.version}</version>

              <exclusions>

                <exclusion>

                  <groupId>io.micronaut</groupId>

                  <artifactId>micronaut-inject</artifactId>

                </exclusion>

              </exclusions>

            </path>

          </annotationProcessorPaths>

          <compilerArgs>

            <arg>-Amicronaut.processing.group=example.micronaut</arg>

            <arg>-Amicronaut.processing.module=default</arg>

          </compilerArgs>

        </configuration>

      </plugin>

    </plugins>

  </build>

</project>

Resources\application.properties

#Tue Jun 18 12:49:41 UTC 2024

micronaut.application.name=default

micronaut.server.port=7070

# DataSource configuration

datasources.default.url=jdbc:mysql://localhost:3306/world

datasources.default.username=javadeveloper

datasources.default.password=joko24051992

datasources.default.driver-class-name=com.mysql.cj.jdbc.Driver

# JPA/Hibernate configuration

jpa.default.properties.hibernate.hbm2ddl.auto=update

jpa.default.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect

# Micronaut Data configuration

micronaut.data.jpa.packages-to-scan=example.micronaut

Java\example\micronaut\Application.java

package example.micronaut;

import io.micronaut.runtime.Micronaut;

import io.micronaut.core.annotation.Introspected;

import jakarta.persistence.Entity;

@Introspected(packages = "example.micronaut.domain", includedAnnotations = Entity.class)

public class Application {

    public static void main(String[] args) {

        Micronaut.run(Application.class, args);

    }

}

java\example\micronaut\domain\MyEntity.java

package example.micronaut.domain;

import jakarta.persistence.Entity;

import jakarta.persistence.Id;

import io.micronaut.core.annotation.Introspected;

@Introspected

@Entity

public class MyEntity {

    @Id

    private Long id;

}

java\example\micronaut\HelloController.java

import io.micronaut.http.MediaType;
import io.micronaut.http.annotation.Controller;
import io.micronaut.http.annotation.Get;

@Controller("/hello") // (1)
public class HelloController {

    @Get(produces = MediaType.TEXT_PLAIN) // (2)
    public String index() {
        return "Hello World"; // (3)
    }
}

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	The @Controller annotation defines the class as a controller mapped to the path /hello
	The @Get annotation maps the index method to all requests that use an HTTP GET
	A String "Hello World" is returned as the response

If you use Java, place the previous file in src/main/java/hello/world.

can run the application with 

gradle         ./gradlew run

maven           ./mvnw mn:run