JAVA-86: Initial migration - spring-boot-change-port

spring-boot-modules/spring-boot-basic-customization/README.md

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+## Spring Boot Basic Customization
+
+This module contains articles about Spring Boot customization
+
+### Relevant Articles:
+
+ - [How to Change the Default Port in Spring Boot](https://www.baeldung.com/spring-boot-change-port)

spring-boot-modules/spring-boot-basic-customization/pom.xml

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+<?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>
+    <artifactId>spring-boot-basic-customization</artifactId>
+    <name>spring-boot-basic-customization</name>
+    <packaging>jar</packaging>
+    <description>Module For Spring Boot Basic Customization</description>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-boot-2</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-boot-2</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/changeport/CustomApplication.java

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+package com.baeldung.changeport;
+
+import java.util.Collections;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CustomApplication {
+
+    public static void main(String[] args) {
+        SpringApplication app = new SpringApplication(CustomApplication.class);
+        app.setDefaultProperties(Collections.singletonMap("server.port", "8083"));
+        app.run(args);
+    }
+
+}

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/changeport/ServerPortCustomizer.java

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+package com.baeldung.changeport;
+
+import org.springframework.boot.web.server.ConfigurableWebServerFactory;
+import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+import org.springframework.stereotype.Component;
+
+//@Component
+public class ServerPortCustomizer implements WebServerFactoryCustomizer<ConfigurableWebServerFactory> {
+
+    @Override
+    public void customize(ConfigurableWebServerFactory factory) {
+        factory.setPort(8086);
+    }
+
+}

spring-boot-modules/spring-boot-basic-customization/src/main/resources/application.properties

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+management.endpoints.web.exposure.include=*
+management.metrics.enable.root=true
+management.metrics.enable.jvm=true
+management.endpoint.restart.enabled=true
+spring.datasource.jmx-enabled=false
+spring.main.allow-bean-definition-overriding=true
+management.endpoint.shutdown.enabled=true

spring-boot-modules/spring-boot-basic-customization/src/main/resources/logback.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>