Maven settings.xml for publishing open source projects

settings.xml

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                        http://maven.apache.org/xsd/settings-1.0.0.xsd">
    <servers>
        <server>
            <id>sonatype-nexus-snapshots</id>
            <username>your-sonatype-username</username>
            <password>your-sonatype-password</password>
        </server>

        <server>
            <id>sonatype-nexus-staging</id>
            <username>your-sonatype-username</username>
            <password>your-sonatype-password</password>
        </server>

        <server>
            <id>ossrh</id>
            <username>your-sonatype-username</username>
            <password>your-sonatype-password</password>
        </server>

        <server>
            <id>github</id>
            <username>your-github-email</username>
            <privateKey>${user.home}/.ssh/id_rsa</privateKey>
            <passphrase>github-password</passphrase>
            <filePermissions>664</filePermissions>
            <directoryPermissions>775</directoryPermissions>
        </server>
    </servers>
    <profiles>
        <profile>
            <id>gpg-passphrase</id>
            <activation>
                <activeByDefault>true</activeByDefault>
            </activation>
            <properties>
                <gpg.passphrase>your-gpg-passphrase</gpg.passphrase>
            </properties>
        </profile>
    </profiles>
</settings>