settings file for publishing to maven

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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.3.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>io.github.arjundandagi</groupId>
	<artifactId>topic-application</artifactId>
	<version>0.0.1</version>
	<name>topic-application</name>
	<description>Spring Boot with jpa and mysql </description>

	<properties>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jpa</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<scope>runtime</scope>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
			<exclusions>
				<exclusion>
					<groupId>org.junit.vintage</groupId>
					<artifactId>junit-vintage-engine</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.sonatype.plugins</groupId>
				<artifactId>nexus-staging-maven-plugin</artifactId>
				<version>1.6.7</version>
				<extensions>true</extensions>
				<configuration>
					<serverId>ossrh</serverId>
					<nexusUrl>https://oss.sonatype.org/</nexusUrl>
					<autoReleaseAfterClose>true</autoReleaseAfterClose>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<executions>
					<execution>
						<id>repackage</id>
						<configuration>
							<classifier>exec</classifier>
						</configuration>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-source-plugin</artifactId>
				<version>2.2.1</version>
				<executions>
					<execution>
						<id>attach-sources</id>
						<goals>
							<goal>jar-no-fork</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-javadoc-plugin</artifactId>
				<version>2.9.1</version>
				<executions>
					<execution>
						<id>attach-javadocs</id>
						<goals>
							<goal>jar</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-gpg-plugin</artifactId>
				<version>1.5</version>
				<executions>
					<execution>
						<id>sign-artifacts</id>
						<phase>verify</phase>
						<goals>
							<goal>sign</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
	<distributionManagement>
		<snapshotRepository>
			<id>ossrh</id>
			<url>https://oss.sonatype.org/content/repositories/snapshots</url>
		</snapshotRepository>
		<repository>
			<id>ossrh</id>
			<url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
		</repository>
	</distributionManagement>
</project>

<!-- edit wherever necesaary ,like GAV coordinates , and delete dependency not needed in your application -->

settings.xml

<settings>
    <servers>
        <server>
            <id>ossrh</id>
            <username>usernamefor issues.sonatype.org</username>
            <password>password for issues.sonatype.org</password>
        </server>
    </servers>
    <profiles>
        <profile>
            <id>ossrh</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <properties>
                <gpg.executable>gpg</gpg.executable>
                <gpg.passphrase>yourpassphrase</gpg.passphrase>
            </properties>
        </profile>
    </profiles>
</settings>

<!-- use mvn -s settings.xml -Possrh >... you shoud use -P to activate ossrh profile -->