.travis.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>spot-nexus-release</id>
            <username>${env.NEXUS_USER}</username>
            <password>${env.NEXUS_PASSWORD}</password>
        </server>
        <server>
            <id>spot-nexus-snapshot</id>
            <username>${env.NEXUS_USER}</username>
            <password>${env.NEXUS_PASSWORD}</password>
        </server>
        <server>
            <id>ossrh</id>
            <username>${env.OSSRH_USER}</username>
            <password>${env.OSSRH_PASSWORD}</password>
        </server>
    </servers>
    
    <profile>
        <id>maven-https</id>
        <activation>
            <activeByDefault>true</activeByDefault>
        </activation>
        <repositories>
            <repository>
                <id>central</id>
                <url>https://repo1.maven.org/maven2</url>
                <snapshots>
                    <enabled>false</enabled>
                </snapshots>
            </repository>
        </repositories>
        <pluginRepositories>
            <pluginRepository>
                <id>central</id>
                <url>https://repo1.maven.org/maven2</url>
                <snapshots>
                    <enabled>false</enabled>
                </snapshots>
            </pluginRepository>
        </pluginRepositories>
    </profile>

</settings>